2561562232 has 16 divisors (see below), whose sum is σ = 4831691760. Its totient is φ = 1273111104.

The previous prime is 2561562151. The next prime is 2561562247. The reversal of 2561562232 is 2322651652.

2561562232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957333 + ... + 960004.

It is an arithmetic number, because the mean of its divisors is an integer number (301980735).

Almost surely, 2^2561562232 is an apocalyptic number.

It is an amenable number.

2561562232 is a deficient number, since it is larger than the sum of its proper divisors (2270129528).

2561562232 is a wasteful number, since it uses less digits than its factorization.

2561562232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917510 (or 1917506 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 2561562232 is about 50611.8783686201. The cubic root of 2561562232 is about 1368.2589694171.

The spelling of 2561562232 in words is "two billion, five hundred sixty-one million, five hundred sixty-two thousand, two hundred thirty-two".