25019291052 has 36 divisors (see below), whose sum is σ = 72277952656. Its totient is φ = 7148368800.

The previous prime is 25019290999. The next prime is 25019291057.

It is a happy number.

25019291052 is a `hidden beast` number, since 2 + 501 + 92 + 9 + 10 + 52 = 666.

25019291052 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25019290998 and 25019291016.

It is not an unprimeable number, because it can be changed into a prime (25019291057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49641199 + ... + 49641702.

Almost surely, 2^25019291052 is an apocalyptic number.

It is an amenable number.

25019291052 is an abundant number, since it is smaller than the sum of its proper divisors (47258661604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25019291052 is a wasteful number, since it uses less digits than its factorization.

25019291052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99282918 (or 99282913 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The spelling of 25019291052 in words is "twenty-five billion, nineteen million, two hundred ninety-one thousand, fifty-two".