2531201284 has 6 divisors (see below), whose sum is σ = 4429602254. Its totient is φ = 1265600640.

The previous prime is 2531201269. The next prime is 2531201327. The reversal of 2531201284 is 4821021352.

It can be written as a sum of positive squares in only one way, i.e., 2447478784 + 83722500 = 49472^2 + 9150^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316400157 + ... + 316400164.

Almost surely, 2^2531201284 is an apocalyptic number.

It is an amenable number.

2531201284 is a deficient number, since it is larger than the sum of its proper divisors (1898400970).

2531201284 is a wasteful number, since it uses less digits than its factorization.

2531201284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632800325 (or 632800323 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2531201284 is about 50311.0453479154. The cubic root of 2531201284 is about 1362.8317015708.

The spelling of 2531201284 in words is "two billion, five hundred thirty-one million, two hundred one thousand, two hundred eighty-four".