2531655530 has 32 divisors (see below), whose sum is σ = 4671216000. Its totient is φ = 987360192.

The previous prime is 2531655523. The next prime is 2531655557. The reversal of 2531655530 is 355561352.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252656 + ... + 262484.

It is an arithmetic number, because the mean of its divisors is an integer number (145975500).

Almost surely, 2^2531655530 is an apocalyptic number.

2531655530 is a deficient number, since it is larger than the sum of its proper divisors (2139560470).

2531655530 is a wasteful number, since it uses less digits than its factorization.

2531655530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10478.

The product of its (nonzero) digits is 67500, while the sum is 35.

The square root of 2531655530 is about 50315.5595218815. The cubic root of 2531655530 is about 1362.9132206799.

The spelling of 2531655530 in words is "two billion, five hundred thirty-one million, six hundred fifty-five thousand, five hundred thirty".