2523126749 has 32 divisors (see below), whose sum is σ = 3115929600. Its totient is φ = 2010317760.

The previous prime is 2523126737. The next prime is 2523126761. The reversal of 2523126749 is 9476213252.

It is an interprime number because it is at equal distance from previous prime (2523126737) and next prime (2523126761).

It is not a de Polignac number, because 2523126749 - 2²⁴ = 2506349533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523126149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454412 + ... + 459930.

It is an arithmetic number, because the mean of its divisors is an integer number (97372800).

Almost surely, 2^2523126749 is an apocalyptic number.

It is an amenable number.

2523126749 is a deficient number, since it is larger than the sum of its proper divisors (592802851).

2523126749 is a wasteful number, since it uses less digits than its factorization.

2523126749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705.

The product of its digits is 181440, while the sum is 41.

The square root of 2523126749 is about 50230.7351031219. The cubic root of 2523126749 is about 1361.3810130123.

The spelling of 2523126749 in words is "two billion, five hundred twenty-three million, one hundred twenty-six thousand, seven hundred forty-nine".