2557325925 has 324 divisors, whose sum is σ = 6159168288. Its totient is φ = 1047816000.

The previous prime is 2557325899. The next prime is 2557325933. The reversal of 2557325925 is 5295237552.

2557325925 is a `hidden beast` number, since 2 + 5 + 57 + 3 + 2 + 592 + 5 = 666.

2557325925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2557325925 - 2¹⁰ = 2557324901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 323 ways as a sum of consecutive naturals, for example, 36018640 + ... + 36018710.

Almost surely, 2^2557325925 is an apocalyptic number.

2557325925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2557325925 is an abundant number, since it is smaller than the sum of its proper divisors (3601842363).

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

2557325925 is a wasteful number, since it uses less digits than its factorization.

2557325925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 97 counting only the distinct ones).

The product of its digits is 945000, while the sum is 45.

The square root of 2557325925 is about 50570.0101344661. The cubic root of 2557325925 is about 1367.5042784898.

The spelling of 2557325925 in words is "two billion, five hundred fifty-seven million, three hundred twenty-five thousand, nine hundred twenty-five".