2456731 has 2 divisors, whose sum is σ = 2456732. Its totient is φ = 2456730.

The previous prime is 2456711. The next prime is 2456743. The reversal of 2456731 is 1376542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2456731 - 2¹³ = 2448539 is a prime.

It is a super-2 number, since 2×2456731² = 12071054412722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2456731.

It is not a weakly prime, because it can be changed into another prime (2456711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228365 + 1228366.

It is an arithmetic number, because the mean of its divisors is an integer number (1228366).

2^2456731 is an apocalyptic number.

2456731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456731 is an equidigital number, since it uses as much as digits as its factorization.

2456731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 2456731 is about 1567.3962485600. The cubic root of 2456731 is about 134.9333186924.

The spelling of 2456731 in words is "two million, four hundred fifty-six thousand, seven hundred thirty-one".