25090059997 has 4 divisors (see below), whose sum is σ = 25091699296. Its totient is φ = 25088420700.

The previous prime is 25090059971. The next prime is 25090060001. The reversal of 25090059997 is 79995009052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25090059997 - 2¹⁵ = 25090027229 is a prime.

It is a super-2 number, since 2×25090059997² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25090056997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796473 + ... + 827374.

It is an arithmetic number, because the mean of its divisors is an integer number (6272924824).

Almost surely, 2^25090059997 is an apocalyptic number.

It is an amenable number.

25090059997 is a deficient number, since it is larger than the sum of its proper divisors (1639299).

25090059997 is a wasteful number, since it uses less digits than its factorization.

25090059997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639298.

The product of its (nonzero) digits is 2296350, while the sum is 55.

The spelling of 25090059997 in words is "twenty-five billion, ninety million, fifty-nine thousand, nine hundred ninety-seven".