2499931 has 12 divisors (see below), whose sum is σ = 2935272. Its totient is φ = 2122848.

The previous prime is 2499923. The next prime is 2499941. The reversal of 2499931 is 1399942.

2499931 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 2499931 - 2³ = 2499923 is a prime.

It is a super-2 number, since 2×2499931² = 12499310009522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499941) 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 11 ways as a sum of consecutive naturals, for example, 7831 + ... + 8143.

It is an arithmetic number, because the mean of its divisors is an integer number (244606).

2^2499931 is an apocalyptic number.

2499931 is a deficient number, since it is larger than the sum of its proper divisors (435341).

2499931 is a wasteful number, since it uses less digits than its factorization.

2499931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 483 counting only the distinct ones).

The product of its digits is 17496, while the sum is 37.

The square root of 2499931 is about 1581.1170102178. The cubic root of 2499931 is about 135.7196321862.

The spelling of 2499931 in words is "two million, four hundred ninety-nine thousand, nine hundred thirty-one".