2531325028 has 6 divisors (see below), whose sum is σ = 4429818806. Its totient is φ = 1265662512.

The previous prime is 2531325019. The next prime is 2531325029. The reversal of 2531325028 is 8205231352.

It can be written as a sum of positive squares in only one way, i.e., 2504201764 + 27123264 = 50042^2 + 5208^2 .

It is not an unprimeable number, because it can be changed into a prime (2531325029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316415625 + ... + 316415632.

Almost surely, 2^2531325028 is an apocalyptic number.

It is an amenable number.

2531325028 is a deficient number, since it is larger than the sum of its proper divisors (1898493778).

2531325028 is a wasteful number, since it uses less digits than its factorization.

2531325028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632831261 (or 632831259 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2531325028 is about 50312.2751224788. The cubic root of 2531325028 is about 1362.8539096687.

The spelling of 2531325028 in words is "two billion, five hundred thirty-one million, three hundred twenty-five thousand, twenty-eight".