2498731 has 2 divisors, whose sum is σ = 2498732. Its totient is φ = 2498730.

The previous prime is 2498723. The next prime is 2498737. The reversal of 2498731 is 1378942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2498731 - 2³ = 2498723 is a prime.

It is a super-2 number, since 2×2498731² = 12487313220722, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 2498731 parts by 2235 straight cuts.

2498731 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2498737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249365 + 1249366.

It is an arithmetic number, because the mean of its divisors is an integer number (1249366).

2^2498731 is an apocalyptic number.

2498731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2498731 is an equidigital number, since it uses as much as digits as its factorization.

2498731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 2498731 is about 1580.7374861121. The cubic root of 2498731 is about 135.6979129701.

The spelling of 2498731 in words is "two million, four hundred ninety-eight thousand, seven hundred thirty-one".