25954715272 has 16 divisors (see below), whose sum is σ = 48877605900. Its totient is φ = 12920687040.

The previous prime is 25954715257. The next prime is 25954715287. The reversal of 25954715272 is 27251745952.

It is an interprime number because it is at equal distance from previous prime (25954715257) and next prime (25954715287).

It can be written as a sum of positive squares in 2 ways, for example, as 25906190116 + 48525156 = 160954^2 + 6966^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7081879 + ... + 7085542.

Almost surely, 2^25954715272 is an apocalyptic number.

It is an amenable number.

25954715272 is a deficient number, since it is larger than the sum of its proper divisors (22922890628).

25954715272 is a wasteful number, since it uses less digits than its factorization.

25954715272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14167656 (or 14167652 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 49.

The spelling of 25954715272 in words is "twenty-five billion, nine hundred fifty-four million, seven hundred fifteen thousand, two hundred seventy-two".