2497257 has 32 divisors (see below), whose sum is σ = 4309760. Its totient is φ = 1399680.

The previous prime is 2497217. The next prime is 2497259. The reversal of 2497257 is 7527942.

2497257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2497257 - 2⁶ = 2497193 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2497259) 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 31 ways as a sum of consecutive naturals, for example, 13707 + ... + 13887.

It is an arithmetic number, because the mean of its divisors is an integer number (134680).

2^2497257 is an apocalyptic number.

2497257 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2497257 is a deficient number, since it is larger than the sum of its proper divisors (1812503).

2497257 is a wasteful number, since it uses less digits than its factorization.

2497257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 264 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 2497257 is about 1580.2711792601. The cubic root of 2497257 is about 135.6712250144.

The spelling of 2497257 in words is "two million, four hundred ninety-seven thousand, two hundred fifty-seven".