2996557531 has 4 divisors (see below), whose sum is σ = 3268971864. Its totient is φ = 2724143200.

The previous prime is 2996557523. The next prime is 2996557567. The reversal of 2996557531 is 1357556992.

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 2996557531 - 2³ = 2996557523 is a prime.

It is a super-2 number, since 2×2996557531² = 17958714073185631922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2996557331) 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, 136207150 + ... + 136207171.

It is an arithmetic number, because the mean of its divisors is an integer number (817242966).

Almost surely, 2^2996557531 is an apocalyptic number.

2996557531 is a deficient number, since it is larger than the sum of its proper divisors (272414333).

2996557531 is a wasteful number, since it uses less digits than its factorization.

2996557531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272414332.

The product of its digits is 2551500, while the sum is 52.

The square root of 2996557531 is about 54740.8214315423. The cubic root of 2996557531 is about 1441.6977036736.

The spelling of 2996557531 in words is "two billion, nine hundred ninety-six million, five hundred fifty-seven thousand, five hundred thirty-one".