2561569324 has 12 divisors (see below), whose sum is σ = 4523873200. Its totient is φ = 1269034128.

The previous prime is 2561569321. The next prime is 2561569327. The reversal of 2561569324 is 4239651652.

It is an interprime number because it is at equal distance from previous prime (2561569321) and next prime (2561569327).

It is not an unprimeable number, because it can be changed into a prime (2561569321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2937144 + ... + 2938015.

Almost surely, 2^2561569324 is an apocalyptic number.

It is an amenable number.

2561569324 is a deficient number, since it is larger than the sum of its proper divisors (1962303876).

2561569324 is a wasteful number, since it uses less digits than its factorization.

2561569324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875272 (or 5875270 counting only the distinct ones).

The product of its digits is 388800, while the sum is 43.

The square root of 2561569324 is about 50611.9484311758. The cubic root of 2561569324 is about 1368.2602321470.

The spelling of 2561569324 in words is "two billion, five hundred sixty-one million, five hundred sixty-nine thousand, three hundred twenty-four".