2499597 has 24 divisors (see below), whose sum is σ = 3820440. Its totient is φ = 1572480.

The previous prime is 2499589. The next prime is 2499599. The reversal of 2499597 is 7959942.

It can be written as a sum of positive squares in 4 ways, for example, as 36 + 2499561 = 6^2 + 1581^2 .

It is not a de Polignac number, because 2499597 - 2³ = 2499589 is a prime.

2499597 is an undulating number in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499599) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15843 + ... + 15999.

It is an arithmetic number, because the mean of its divisors is an integer number (159185).

2^2499597 is an apocalyptic number.

It is an amenable number.

2499597 is a deficient number, since it is larger than the sum of its proper divisors (1320843).

2499597 is a wasteful number, since it uses less digits than its factorization.

2499597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 250 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 2499597 is about 1581.0113851582. The cubic root of 2499597 is about 135.7135877025.

The spelling of 2499597 in words is "two million, four hundred ninety-nine thousand, five hundred ninety-seven".