2499397452 has 24 divisors (see below), whose sum is σ = 6479919600. Its totient is φ = 833132448.

The previous prime is 2499397447. The next prime is 2499397457. The reversal of 2499397452 is 2547939942.

2499397452 is a `hidden beast` number, since 2 + 499 + 39 + 74 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (2499397447) and next prime (2499397457).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2499397457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11571177 + ... + 11571392.

It is an arithmetic number, because the mean of its divisors is an integer number (269996650).

Almost surely, 2^2499397452 is an apocalyptic number.

It is an amenable number.

2499397452 is an abundant number, since it is smaller than the sum of its proper divisors (3980522148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2499397452 is a wasteful number, since it uses less digits than its factorization.

2499397452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23142582 (or 23142574 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 2499397452 is about 49993.9741568921. The cubic root of 2499397452 is about 1357.0997617425.

The spelling of 2499397452 in words is "two billion, four hundred ninety-nine million, three hundred ninety-seven thousand, four hundred fifty-two".