2575831493531 has 16 divisors (see below), whose sum is σ = 2754363068160. Its totient is φ = 2403499512960.

The previous prime is 2575831493509. The next prime is 2575831493549. The reversal of 2575831493531 is 1353941385752.

It is a cyclic number.

It is not a de Polignac number, because 2575831493531 - 2²⁶ = 2575764384667 is a prime.

It is a super-2 number, since 2×2575831493531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2575831493551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295480 + ... + 2613413.

It is an arithmetic number, because the mean of its divisors is an integer number (172147691760).

Almost surely, 2^{2575831493531} is an apocalyptic number.

2575831493531 is a deficient number, since it is larger than the sum of its proper divisors (178531574629).

2575831493531 is a wasteful number, since it uses less digits than its factorization.

2575831493531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909686.

The product of its digits is 13608000, while the sum is 56.

The spelling of 2575831493531 in words is "two trillion, five hundred seventy-five billion, eight hundred thirty-one million, four hundred ninety-three thousand, five hundred thirty-one".