2879531 has 4 divisors (see below), whose sum is σ = 3004752. Its totient is φ = 2754312.

The previous prime is 2879521. The next prime is 2879533. The reversal of 2879531 is 1359782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1359782 = 2 ⋅679891.

It is a cyclic number.

It is not a de Polignac number, because 2879531 - 2⁶ = 2879467 is a prime.

It is a super-2 number, since 2×2879531² = 16583397559922, 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 = 2879491 and 2879500.

It is not an unprimeable number, because it can be changed into a prime (2879533) 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, 62576 + ... + 62621.

It is an arithmetic number, because the mean of its divisors is an integer number (751188).

2^2879531 is an apocalyptic number.

2879531 is a deficient number, since it is larger than the sum of its proper divisors (125221).

2879531 is a wasteful number, since it uses less digits than its factorization.

2879531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125220.

The product of its digits is 15120, while the sum is 35.

The square root of 2879531 is about 1696.9180887715. The cubic root of 2879531 is about 142.2680086911.

The spelling of 2879531 in words is "two million, eight hundred seventy-nine thousand, five hundred thirty-one".