2257530 has 32 divisors (see below), whose sum is σ = 5911488. Its totient is φ = 547200.

The previous prime is 2257529. The next prime is 2257531. The reversal of 2257530 is 357522.

2257530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2257529) and next prime (2257531).

It is a self number, because there is not a number n which added to its sum of digits gives 2257530.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3091 + ... + 3750.

It is an arithmetic number, because the mean of its divisors is an integer number (184734).

2^2257530 is an apocalyptic number.

2257530 is an abundant number, since it is smaller than the sum of its proper divisors (3653958).

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

2257530 is a wasteful number, since it uses less digits than its factorization.

2257530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 2257530 is about 1502.5079034734. The cubic root of 2257530 is about 131.1830860731.

The spelling of 2257530 in words is "two million, two hundred fifty-seven thousand, five hundred thirty".