25231500395 has 32 divisors (see below), whose sum is σ = 32617728000. Its totient is φ = 18679973760.

The previous prime is 25231500389. The next prime is 25231500407. The reversal of 25231500395 is 59300513252.

It is not a de Polignac number, because 25231500395 - 2¹⁶ = 25231434859 is a prime.

It is a super-2 number, since 2×25231500395² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 718046 + ... + 752364.

It is an arithmetic number, because the mean of its divisors is an integer number (1019304000).

Almost surely, 2^25231500395 is an apocalyptic number.

25231500395 is a deficient number, since it is larger than the sum of its proper divisors (7386227605).

25231500395 is a wasteful number, since it uses less digits than its factorization.

25231500395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34523.

The product of its (nonzero) digits is 40500, while the sum is 35.

The spelling of 25231500395 in words is "twenty-five billion, two hundred thirty-one million, five hundred thousand, three hundred ninety-five".