2531152522 has 4 divisors (see below), whose sum is σ = 3796728786. Its totient is φ = 1265576260.

The previous prime is 2531152513. The next prime is 2531152537. The reversal of 2531152522 is 2252511352.

2531152522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1311815961 + 1219336561 = 36219^2 + 34919^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632788129 + ... + 632788132.

Almost surely, 2^2531152522 is an apocalyptic number.

2531152522 is a deficient number, since it is larger than the sum of its proper divisors (1265576264).

2531152522 is a wasteful number, since it uses less digits than its factorization.

2531152522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265576263.

The product of its digits is 6000, while the sum is 28.

The square root of 2531152522 is about 50310.5607402661. The cubic root of 2531152522 is about 1362.8229501495.

Adding to 2531152522 its reverse (2252511352), we get a palindrome (4783663874).

The spelling of 2531152522 in words is "two billion, five hundred thirty-one million, one hundred fifty-two thousand, five hundred twenty-two".