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25052331 = 38350777
BaseRepresentation
bin101111110010…
…0010010101011
31202010210100010
41133210102223
522403133311
62252543003
7422640603
oct137442253
952123303
1025052331
1113161207
128481a63
135261c85
143481c03
1522ecda6
hex17e44ab

25052331 has 4 divisors (see below), whose sum is σ = 33403112. Its totient is φ = 16701552.

The previous prime is 25052329. The next prime is 25052341. The reversal of 25052331 is 13325052.

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

It is not a de Polignac number, because 25052331 - 21 = 25052329 is a prime.

It is a super-2 number, since 2×250523312 = 1255238577067122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25052298 and 25052307.

It is not an unprimeable number, because it can be changed into a prime (25052341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4175386 + ... + 4175391.

It is an arithmetic number, because the mean of its divisors is an integer number (8350778).

Almost surely, 225052331 is an apocalyptic number.

25052331 is a deficient number, since it is larger than the sum of its proper divisors (8350781).

25052331 is an equidigital number, since it uses as much as digits as its factorization.

25052331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350780.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 25052331 is about 5005.2303643289. The cubic root of 25052331 is about 292.6056539937.

Adding to 25052331 its reverse (13325052), we get a palindrome (38377383).

The spelling of 25052331 in words is "twenty-five million, fifty-two thousand, three hundred thirty-one".

Divisors: 1 3 8350777 25052331