25525682007 has 16 divisors (see below), whose sum is σ = 40150996992. Its totient is φ = 14115584160.

The previous prime is 25525681991. The next prime is 25525682027. The reversal of 25525682007 is 70028652552.

It is a happy number.

It is not a de Polignac number, because 25525682007 - 2⁴ = 25525681991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25525682007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25525682027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19604328 + ... + 19605629.

It is an arithmetic number, because the mean of its divisors is an integer number (2509437312).

Almost surely, 2^25525682007 is an apocalyptic number.

25525682007 is a deficient number, since it is larger than the sum of its proper divisors (14625314985).

25525682007 is a wasteful number, since it uses less digits than its factorization.

25525682007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39209998.

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 25525682007 in words is "twenty-five billion, five hundred twenty-five million, six hundred eighty-two thousand, seven".