2523157388 has 12 divisors (see below), whose sum is σ = 4477716432. Its totient is φ = 1243809840.

The previous prime is 2523157369. The next prime is 2523157411. The reversal of 2523157388 is 8837513252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4441895 + ... + 4442462.

It is an arithmetic number, because the mean of its divisors is an integer number (373143036).

Almost surely, 2^2523157388 is an apocalyptic number.

It is an amenable number.

2523157388 is a deficient number, since it is larger than the sum of its proper divisors (1954559044).

2523157388 is a wasteful number, since it uses less digits than its factorization.

2523157388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8884432 (or 8884430 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 2523157388 is about 50231.0400847922. The cubic root of 2523157388 is about 1361.3865235274.

The spelling of 2523157388 in words is "two billion, five hundred twenty-three million, one hundred fifty-seven thousand, three hundred eighty-eight".