2499457 has 2 divisors, whose sum is σ = 2499458. Its totient is φ = 2499456.

The previous prime is 2499449. The next prime is 2499463. The reversal of 2499457 is 7549942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 53361 = 1564^2 + 231^2 .

It is a cyclic number.

It is not a de Polignac number, because 2499457 - 2³ = 2499449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2499257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249728 + 1249729.

It is an arithmetic number, because the mean of its divisors is an integer number (1249729).

2^2499457 is an apocalyptic number.

It is an amenable number.

2499457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2499457 is an equidigital number, since it uses as much as digits as its factorization.

2499457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 2499457 is about 1580.9671090823. The cubic root of 2499457 is about 135.7110539265.

The spelling of 2499457 in words is "two million, four hundred ninety-nine thousand, four hundred fifty-seven".