2920538531 has 4 divisors (see below), whose sum is σ = 2921301552. Its totient is φ = 2919775512.

The previous prime is 2920538519. The next prime is 2920538539. The reversal of 2920538531 is 1358350292.

2920538531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2920538531 is a prime.

It is a super-2 number, since 2×2920538531² = 17059090622111275922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2920538539) 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, 375740 + ... + 383433.

It is an arithmetic number, because the mean of its divisors is an integer number (730325388).

Almost surely, 2^2920538531 is an apocalyptic number.

2920538531 is a deficient number, since it is larger than the sum of its proper divisors (763021).

2920538531 is an equidigital number, since it uses as much as digits as its factorization.

2920538531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763020.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 2920538531 is about 54042.0070963320. The cubic root of 2920538531 is about 1429.4017630654.

The spelling of 2920538531 in words is "two billion, nine hundred twenty million, five hundred thirty-eight thousand, five hundred thirty-one".