2523757531 has 16 divisors (see below), whose sum is σ = 2618269920. Its totient is φ = 2430743040.

The previous prime is 2523757519. The next prime is 2523757633. The reversal of 2523757531 is 1357573252.

It is not a de Polignac number, because 2523757531 - 2¹¹ = 2523755483 is a prime.

It is a super-2 number, since 2×2523757531² = 12738704150558431922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523754531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2864211 + ... + 2865091.

It is an arithmetic number, because the mean of its divisors is an integer number (163641870).

Almost surely, 2^2523757531 is an apocalyptic number.

2523757531 is a deficient number, since it is larger than the sum of its proper divisors (94512389).

2523757531 is a wasteful number, since it uses less digits than its factorization.

2523757531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614.

The product of its digits is 220500, while the sum is 40.

The square root of 2523757531 is about 50237.0135557439. The cubic root of 2523757531 is about 1361.4944520336.

The spelling of 2523757531 in words is "two billion, five hundred twenty-three million, seven hundred fifty-seven thousand, five hundred thirty-one".