2257577 has 6 divisors (see below), whose sum is σ = 2626218. Its totient is φ = 1935024.

The previous prime is 2257571. The next prime is 2257579. The reversal of 2257577 is 7757522.

It can be written as a sum of positive squares in only one way, i.e., 2119936 + 137641 = 1456^2 + 371^2 .

It is not a de Polignac number, because 2257577 - 2¹² = 2253481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2257571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22988 + ... + 23085.

It is an arithmetic number, because the mean of its divisors is an integer number (437703).

2^2257577 is an apocalyptic number.

It is an amenable number.

2257577 is a deficient number, since it is larger than the sum of its proper divisors (368641).

2257577 is an equidigital number, since it uses as much as digits as its factorization.

2257577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46087 (or 46080 counting only the distinct ones).

The product of its digits is 34300, while the sum is 35.

The square root of 2257577 is about 1502.5235439087. The cubic root of 2257577 is about 131.1839964430.

Subtracting 2257577 from its reverse (7757522), we obtain a palindrome (5499945).

The spelling of 2257577 in words is "two million, two hundred fifty-seven thousand, five hundred seventy-seven".