2920531 has 2 divisors, whose sum is σ = 2920532. Its totient is φ = 2920530.

The previous prime is 2920523. The next prime is 2920543. The reversal of 2920531 is 1350292.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2920531 - 2³ = 2920523 is a prime.

It is a super-2 number, since 2×2920531² = 17059002643922, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2920501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460265 + 1460266.

It is an arithmetic number, because the mean of its divisors is an integer number (1460266).

2^2920531 is an apocalyptic number.

2920531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2920531 is an equidigital number, since it uses as much as digits as its factorization.

2920531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2920531 is about 1708.9561141235. The cubic root of 2920531 is about 142.9400534430.

The spelling of 2920531 in words is "two million, nine hundred twenty thousand, five hundred thirty-one".