2523457 has 2 divisors, whose sum is σ = 2523458. Its totient is φ = 2523456.

The previous prime is 2523419. The next prime is 2523473. The reversal of 2523457 is 7543252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1354896 + 1168561 = 1164^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523457 - 2⁷ = 2523329 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2523487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261728 + 1261729.

It is an arithmetic number, because the mean of its divisors is an integer number (1261729).

2^2523457 is an apocalyptic number.

It is an amenable number.

2523457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523457 is an equidigital number, since it uses as much as digits as its factorization.

2523457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 28.

The square root of 2523457 is about 1588.5392661184. The cubic root of 2523457 is about 136.1440407284.

The spelling of 2523457 in words is "two million, five hundred twenty-three thousand, four hundred fifty-seven".