2570561531 has 4 divisors (see below), whose sum is σ = 2580803064. Its totient is φ = 2560320000.

The previous prime is 2570561527. The next prime is 2570561593. The reversal of 2570561531 is 1351650752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2570561531 - 2² = 2570561527 is a prime.

It is a super-2 number, since 2×2570561531² = 13215573169314127922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2570561491 and 2570561500.

It is not an unprimeable number, because it can be changed into a prime (2570561431) 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, 5120390 + ... + 5120891.

It is an arithmetic number, because the mean of its divisors is an integer number (645200766).

Almost surely, 2^2570561531 is an apocalyptic number.

2570561531 is a deficient number, since it is larger than the sum of its proper divisors (10241533).

2570561531 is a wasteful number, since it uses less digits than its factorization.

2570561531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10241532.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 2570561531 is about 50700.7054290175. The cubic root of 2570561531 is about 1369.8594224130.

The spelling of 2570561531 in words is "two billion, five hundred seventy million, five hundred sixty-one thousand, five hundred thirty-one".