25265240522 has 8 divisors (see below), whose sum is σ = 37905888900. Its totient is φ = 12629944224.

The previous prime is 25265240477. The next prime is 25265240527. The reversal of 25265240522 is 22504256252.

It can be written as a sum of positive squares in 2 ways, for example, as 16543361641 + 8721878881 = 128621^2 + 93391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25265240527) 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, 1326197 + ... + 1345112.

Almost surely, 2^25265240522 is an apocalyptic number.

25265240522 is a deficient number, since it is larger than the sum of its proper divisors (12640648378).

25265240522 is a wasteful number, since it uses less digits than its factorization.

25265240522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676040.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 25265240522 its reverse (22504256252), we get a palindrome (47769496774).

The spelling of 25265240522 in words is "twenty-five billion, two hundred sixty-five million, two hundred forty thousand, five hundred twenty-two".