2563572139 has 2 divisors, whose sum is σ = 2563572140. Its totient is φ = 2563572138.

The previous prime is 2563572133. The next prime is 2563572181. The reversal of 2563572139 is 9312753652.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2563572139 is a prime.

It is a super-2 number, since 2×2563572139² = 13143804223714070642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2563572095 and 2563572104.

It is not a weakly prime, because it can be changed into another prime (2563572133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281786069 + 1281786070.

It is an arithmetic number, because the mean of its divisors is an integer number (1281786070).

Almost surely, 2^2563572139 is an apocalyptic number.

2563572139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563572139 is an equidigital number, since it uses as much as digits as its factorization.

2563572139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 43.

The square root of 2563572139 is about 50631.7305550581. The cubic root of 2563572139 is about 1368.6167399325.

The spelling of 2563572139 in words is "two billion, five hundred sixty-three million, five hundred seventy-two thousand, one hundred thirty-nine".