2842531 has 2 divisors, whose sum is σ = 2842532. Its totient is φ = 2842530.

The previous prime is 2842529. The next prime is 2842537. The reversal of 2842531 is 1352482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2842531 - 2¹ = 2842529 is a prime.

It is a super-2 number, since 2×2842531² = 16159964971922, which contains 22 as substring.

Together with 2842529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2842496 and 2842505.

It is not a weakly prime, because it can be changed into another prime (2842537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1421265 + 1421266.

It is an arithmetic number, because the mean of its divisors is an integer number (1421266).

2^2842531 is an apocalyptic number.

2842531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2842531 is an equidigital number, since it uses as much as digits as its factorization.

2842531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 25.

The square root of 2842531 is about 1685.9807234960. The cubic root of 2842531 is about 141.6560311893.

The spelling of 2842531 in words is "two million, eight hundred forty-two thousand, five hundred thirty-one".