2257633 has 4 divisors (see below), whose sum is σ = 2580160. Its totient is φ = 1935108.

The previous prime is 2257609. The next prime is 2257639. The reversal of 2257633 is 3367522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2257633 - 2⁹ = 2257121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2257639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161253 + ... + 161266.

It is an arithmetic number, because the mean of its divisors is an integer number (645040).

2^2257633 is an apocalyptic number.

It is an amenable number.

2257633 is a deficient number, since it is larger than the sum of its proper divisors (322527).

2257633 is an equidigital number, since it uses as much as digits as its factorization.

2257633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322526.

The product of its digits is 7560, while the sum is 28.

The square root of 2257633 is about 1502.5421791085. The cubic root of 2257633 is about 131.1850811226.

The spelling of 2257633 in words is "two million, two hundred fifty-seven thousand, six hundred thirty-three".