2257403725 has 12 divisors (see below), whose sum is σ = 2889477760. Its totient is φ = 1747666800.

The previous prime is 2257403693. The next prime is 2257403767. The reversal of 2257403725 is 5273047522.

It is not a de Polignac number, because 2257403725 - 2⁵ = 2257403693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1455615 + ... + 1457164.

Almost surely, 2^2257403725 is an apocalyptic number.

2257403725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2257403725 is a deficient number, since it is larger than the sum of its proper divisors (632074035).

2257403725 is a wasteful number, since it uses less digits than its factorization.

2257403725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912820 (or 2912815 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 2257403725 is about 47512.1429215732. The cubic root of 2257403725 is about 1311.8064011772.

The spelling of 2257403725 in words is "two billion, two hundred fifty-seven million, four hundred three thousand, seven hundred twenty-five".