25240741 has 4 divisors (see below), whose sum is σ = 25339212. Its totient is φ = 25142272.

The previous prime is 25240717. The next prime is 25240751. The reversal of 25240741 is 14704252.

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 21818241 + 3422500 = 4671^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 25240741 - 2²³ = 16852133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25240711) 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, 48850 + ... + 49363.

It is an arithmetic number, because the mean of its divisors is an integer number (6334803).

Almost surely, 2^25240741 is an apocalyptic number.

It is an amenable number.

25240741 is a deficient number, since it is larger than the sum of its proper divisors (98471).

25240741 is an equidigital number, since it uses as much as digits as its factorization.

25240741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98470.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 25240741 is about 5024.0164211515. The cubic root of 25240741 is about 293.3373517298.

Adding to 25240741 its reverse (14704252), we get a palindrome (39944993).

The spelling of 25240741 in words is "twenty-five million, two hundred forty thousand, seven hundred forty-one".