2257504 has 48 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 1033344.

The previous prime is 2257487. The next prime is 2257511. The reversal of 2257504 is 4057522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28537 + ... + 28615.

It is an arithmetic number, because the mean of its divisors is an integer number (100800).

2^2257504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2257504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2419200).

2257504 is an abundant number, since it is smaller than the sum of its proper divisors (2580896).

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

2257504 is a wasteful number, since it uses less digits than its factorization.

2257504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2257504 is about 1502.4992512477. The cubic root of 2257504 is about 131.1825824588.

The spelling of 2257504 in words is "two million, two hundred fifty-seven thousand, five hundred four".