2054206531 has 16 divisors (see below), whose sum is σ = 2225107584. Its totient is φ = 1885186944.

The previous prime is 2054206513. The next prime is 2054206541. The reversal of 2054206531 is 1356024502.

It is a cyclic number.

It is not a de Polignac number, because 2054206531 - 2⁵ = 2054206499 is a prime.

It is a super-2 number, since 2×2054206531² = 8439528944006107922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2054206531.

It is not an unprimeable number, because it can be changed into a prime (2054206541) 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, 2657061 + ... + 2657833.

It is an arithmetic number, because the mean of its divisors is an integer number (139069224).

Almost surely, 2^2054206531 is an apocalyptic number.

2054206531 is a deficient number, since it is larger than the sum of its proper divisors (170901053).

2054206531 is a wasteful number, since it uses less digits than its factorization.

2054206531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2054206531 is about 45323.3552487015. The cubic root of 2054206531 is about 1271.2023934021.

The spelling of 2054206531 in words is "two billion, fifty-four million, two hundred six thousand, five hundred thirty-one".