25025252745 has 32 divisors (see below), whose sum is σ = 41304320640. Its totient is φ = 12932029440.

The previous prime is 25025252731. The next prime is 25025252783. The reversal of 25025252745 is 54725252052.

It is not a de Polignac number, because 25025252745 - 2¹⁰ = 25025251721 is a prime.

It is a super-2 number, since 2×25025252745² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142800 + ... + 265409.

It is an arithmetic number, because the mean of its divisors is an integer number (1290760020).

Almost surely, 2^25025252745 is an apocalyptic number.

It is an amenable number.

25025252745 is a deficient number, since it is larger than the sum of its proper divisors (16279067895).

25025252745 is a wasteful number, since it uses less digits than its factorization.

25025252745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408345.

The product of its (nonzero) digits is 280000, while the sum is 39.

The spelling of 25025252745 in words is "twenty-five billion, twenty-five million, two hundred fifty-two thousand, seven hundred forty-five".