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25214341 = 31380557
BaseRepresentation
bin110000000101…
…1110110000101
31202110000120111
41200023312011
522423324331
62300233021
7424214125
oct140136605
952400514
1025214341
11132619a9
12853b771
1352ba939
1434c4c85
152330db1
hex180bd85

25214341 has 4 divisors (see below), whose sum is σ = 25295212. Its totient is φ = 25133472.

The previous prime is 25214317. The next prime is 25214359. The reversal of 25214341 is 14341252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5152900 + 20061441 = 2270^2 + 4479^2 .

It is a cyclic number.

It is not a de Polignac number, because 25214341 - 25 = 25214309 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25214381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39966 + ... + 40591.

It is an arithmetic number, because the mean of its divisors is an integer number (6323803).

Almost surely, 225214341 is an apocalyptic number.

It is an amenable number.

25214341 is a deficient number, since it is larger than the sum of its proper divisors (80871).

25214341 is an equidigital number, since it uses as much as digits as its factorization.

25214341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80870.

The product of its digits is 960, while the sum is 22.

The square root of 25214341 is about 5021.3883538320. The cubic root of 25214341 is about 293.2350461282.

Adding to 25214341 its reverse (14341252), we get a palindrome (39555593).

The spelling of 25214341 in words is "twenty-five million, two hundred fourteen thousand, three hundred forty-one".

Divisors: 1 313 80557 25214341