2557033225 has 12 divisors (see below), whose sum is σ = 3218047504. Its totient is φ = 2015093520.

The previous prime is 2557033217. The next prime is 2557033229. The reversal of 2557033225 is 5223307552.

It is not a de Polignac number, because 2557033225 - 2³ = 2557033217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2557033229) 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, 761619 + ... + 764968.

Almost surely, 2^2557033225 is an apocalyptic number.

2557033225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2557033225 is a deficient number, since it is larger than the sum of its proper divisors (661014279).

2557033225 is a wasteful number, since it uses less digits than its factorization.

2557033225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526664 (or 1526659 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 34.

The square root of 2557033225 is about 50567.1160439272. The cubic root of 2557033225 is about 1367.4521037070.

The spelling of 2557033225 in words is "two billion, five hundred fifty-seven million, thirty-three thousand, two hundred twenty-five".