1580255231 has 4 divisors (see below), whose sum is σ = 1583092872. Its totient is φ = 1577417592.

The previous prime is 1580255189. The next prime is 1580255263. The reversal of 1580255231 is 1325520851.

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 1580255231 - 2²⁶ = 1513146367 is a prime.

It is a super-2 number, since 2×1580255231² = 4994413190205726722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1580255531) 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, 1417985 + ... + 1419098.

It is an arithmetic number, because the mean of its divisors is an integer number (395773218).

Almost surely, 2^1580255231 is an apocalyptic number.

1580255231 is a deficient number, since it is larger than the sum of its proper divisors (2837641).

1580255231 is an equidigital number, since it uses as much as digits as its factorization.

1580255231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837640.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 1580255231 is about 39752.4242153859. The cubic root of 1580255231 is about 1164.7759965225.

The spelling of 1580255231 in words is "one billion, five hundred eighty million, two hundred fifty-five thousand, two hundred thirty-one".