2930531 has 4 divisors (see below), whose sum is σ = 2935464. Its totient is φ = 2925600.

The previous prime is 2930527. The next prime is 2930533. The reversal of 2930531 is 1350392.

It is a happy number.

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 2930531 - 2² = 2930527 is a prime.

It is a super-2 number, since 2×2930531² = 17176023883922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2930497 and 2930506.

It is not an unprimeable number, because it can be changed into a prime (2930533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430 + ... + 2811.

It is an arithmetic number, because the mean of its divisors is an integer number (733866).

2^2930531 is an apocalyptic number.

2930531 is a deficient number, since it is larger than the sum of its proper divisors (4933).

2930531 is an equidigital number, since it uses as much as digits as its factorization.

2930531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 2930531 is about 1711.8793765917. The cubic root of 2930531 is about 143.1030115023.

The spelling of 2930531 in words is "two million, nine hundred thirty thousand, five hundred thirty-one".