2923531 has 6 divisors (see below), whose sum is σ = 3165900. Its totient is φ = 2698488.

The previous prime is 2923523. The next prime is 2923559. The reversal of 2923531 is 1353292.

It is a happy number.

It is not a de Polignac number, because 2923531 - 2³ = 2923523 is a prime.

It is a super-2 number, since 2×2923531² = 17094067015922, 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 = 2923496 and 2923505.

It is not an unprimeable number, because it can be changed into a prime (2923831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8481 + ... + 8818.

It is an arithmetic number, because the mean of its divisors is an integer number (527650).

2^2923531 is an apocalyptic number.

2923531 is a deficient number, since it is larger than the sum of its proper divisors (242369).

2923531 is a wasteful number, since it uses less digits than its factorization.

2923531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17325 (or 17312 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

The square root of 2923531 is about 1709.8336176365. The cubic root of 2923531 is about 142.9889798670.

The spelling of 2923531 in words is "two million, nine hundred twenty-three thousand, five hundred thirty-one".