25130527893 has 6 divisors (see below), whose sum is σ = 36299651414. Its totient is φ = 16753685256.

The previous prime is 25130527867. The next prime is 25130527913. The reversal of 25130527893 is 39872503152.

25130527893 is a `hidden beast` number, since 2 + 5 + 1 + 30 + 527 + 8 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24739200369 + 391327524 = 157287^2 + 19782^2 .

It is not a de Polignac number, because 25130527893 - 2⁵ = 25130527861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25130527193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1396140430 + ... + 1396140447.

Almost surely, 2^25130527893 is an apocalyptic number.

It is an amenable number.

25130527893 is a deficient number, since it is larger than the sum of its proper divisors (11169123521).

25130527893 is a wasteful number, since it uses less digits than its factorization.

25130527893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792280883 (or 2792280880 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 25130527893 in words is "twenty-five billion, one hundred thirty million, five hundred twenty-seven thousand, eight hundred ninety-three".