2257501 has 4 divisors (see below), whose sum is σ = 2312604. Its totient is φ = 2202400.

The previous prime is 2257487. The next prime is 2257511. The reversal of 2257501 is 1057522.

2257501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 488601 + 1768900 = 699^2 + 1330^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257501 - 2⁷ = 2257373 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257511) 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 3 ways as a sum of consecutive naturals, for example, 27490 + ... + 27571.

It is an arithmetic number, because the mean of its divisors is an integer number (578151).

2^2257501 is an apocalyptic number.

It is an amenable number.

2257501 is a deficient number, since it is larger than the sum of its proper divisors (55103).

2257501 is an equidigital number, since it uses as much as digits as its factorization.

2257501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55102.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 2257501 is about 1502.4982529108. The cubic root of 2257501 is about 131.1825243492.

The spelling of 2257501 in words is "two million, two hundred fifty-seven thousand, five hundred one".