25131073930 has 8 divisors (see below), whose sum is σ = 45235933092. Its totient is φ = 10052429568.

The previous prime is 25131073907. The next prime is 25131073937. The reversal of 25131073930 is 3937013152.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23653517209 + 1477556721 = 153797^2 + 38439^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25131073937) 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 3 ways as a sum of consecutive naturals, for example, 1256553687 + ... + 1256553706.

Almost surely, 2^25131073930 is an apocalyptic number.

25131073930 is a deficient number, since it is larger than the sum of its proper divisors (20104859162).

25131073930 is a wasteful number, since it uses less digits than its factorization.

25131073930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513107400.

The product of its (nonzero) digits is 17010, while the sum is 34.

The spelling of 25131073930 in words is "twenty-five billion, one hundred thirty-one million, seventy-three thousand, nine hundred thirty".