25045397007 has 8 divisors (see below), whose sum is σ = 33395281920. Its totient is φ = 16696221720.

The previous prime is 25045396997. The next prime is 25045397081. The reversal of 25045397007 is 70079354052.

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

It is not a de Polignac number, because 25045397007 - 2²⁶ = 24978288143 is a prime.

It is a super-2 number, since 2×25045397007² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25045397007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25045397207) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 88719 + ... + 240752.

It is an arithmetic number, because the mean of its divisors is an integer number (4174410240).

Almost surely, 2^25045397007 is an apocalyptic number.

25045397007 is a deficient number, since it is larger than the sum of its proper divisors (8349884913).

25045397007 is a wasteful number, since it uses less digits than its factorization.

25045397007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354813.

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 25045397007 in words is "twenty-five billion, forty-five million, three hundred ninety-seven thousand, seven".