25574382513 has 12 divisors (see below), whose sum is σ = 36942796800. Its totient is φ = 17048655096.

The previous prime is 25574382503. The next prime is 25574382521. The reversal of 25574382513 is 31528347552.

25574382513 is a `hidden beast` number, since 2 + 5 + 57 + 4 + 3 + 82 + 513 = 666.

It is not a de Polignac number, because 25574382513 - 2¹⁷ = 25574251441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25574382503) 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 11 ways as a sum of consecutive naturals, for example, 123088 + ... + 257486.

It is an arithmetic number, because the mean of its divisors is an integer number (3078566400).

Almost surely, 2^25574382513 is an apocalyptic number.

It is an amenable number.

25574382513 is a deficient number, since it is larger than the sum of its proper divisors (11368414287).

25574382513 is a wasteful number, since it uses less digits than its factorization.

25574382513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155548 (or 155545 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 25574382513 in words is "twenty-five billion, five hundred seventy-four million, three hundred eighty-two thousand, five hundred thirteen".