25256465252 has 6 divisors (see below), whose sum is σ = 44198814198. Its totient is φ = 12628232624.

The previous prime is 25256465243. The next prime is 25256465261.

25256465252 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (25256465243) and next prime (25256465261).

It can be written as a sum of positive squares in only one way, i.e., 16987472896 + 8268992356 = 130336^2 + 90934^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157058153 + ... + 3157058160.

It is an arithmetic number, because the mean of its divisors is an integer number (7366469033).

Almost surely, 2^25256465252 is an apocalyptic number.

It is an amenable number.

25256465252 is a deficient number, since it is larger than the sum of its proper divisors (18942348946).

25256465252 is a wasteful number, since it uses less digits than its factorization.

25256465252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314116317 (or 6314116315 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 44.

The spelling of 25256465252 in words is "twenty-five billion, two hundred fifty-six million, four hundred sixty-five thousand, two hundred fifty-two".