2531045632 has 36 divisors (see below), whose sum is σ = 5318120080. Its totient is φ = 1198914048.

The previous prime is 2531045609. The next prime is 2531045659. The reversal of 2531045632 is 2365401352.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2531045594 and 2531045603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255318 + ... + 265045.

Almost surely, 2^2531045632 is an apocalyptic number.

It is an amenable number.

2531045632 is an abundant number, since it is smaller than the sum of its proper divisors (2787074448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2531045632 is an equidigital number, since it uses as much as digits as its factorization.

2531045632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520398 (or 520384 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2531045632 is about 50309.4984272354. The cubic root of 2531045632 is about 1362.8037659776.

Adding to 2531045632 its reverse (2365401352), we get a palindrome (4896446984).

The spelling of 2531045632 in words is "two billion, five hundred thirty-one million, forty-five thousand, six hundred thirty-two".