2525891553 has 32 divisors (see below), whose sum is σ = 3796812800. Its totient is φ = 1659460608.

The previous prime is 2525891479. The next prime is 2525891581. The reversal of 2525891553 is 3551985252.

It is a happy number.

2525891553 is a `hidden beast` number, since 2 + 5 + 2 + 5 + 8 + 91 + 553 = 666.

It is not a de Polignac number, because 2525891553 - 2¹⁰ = 2525890529 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2525891499 and 2525891508.

It is not an unprimeable number, because it can be changed into a prime (2525891653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565776 + ... + 570222.

It is an arithmetic number, because the mean of its divisors is an integer number (118650400).

Almost surely, 2^2525891553 is an apocalyptic number.

It is an amenable number.

2525891553 is a deficient number, since it is larger than the sum of its proper divisors (1270921247).

2525891553 is a wasteful number, since it uses less digits than its factorization.

2525891553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758 (or 4752 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The square root of 2525891553 is about 50258.2486065720. The cubic root of 2525891553 is about 1361.8780917105.

The spelling of 2525891553 in words is "two billion, five hundred twenty-five million, eight hundred ninety-one thousand, five hundred fifty-three".