2942531 has 2 divisors, whose sum is σ = 2942532. Its totient is φ = 2942530.

The previous prime is 2942521. The next prime is 2942539. The reversal of 2942531 is 1352492.

2942531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2942531 is a prime.

It is a super-2 number, since 2×2942531² = 17316977371922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2942531.

It is not a weakly prime, because it can be changed into another prime (2942539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471265 + 1471266.

It is an arithmetic number, because the mean of its divisors is an integer number (1471266).

2^2942531 is an apocalyptic number.

2942531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2942531 is an equidigital number, since it uses as much as digits as its factorization.

2942531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 2942531 is about 1715.3807157596. The cubic root of 2942531 is about 143.2980725715.

The spelling of 2942531 in words is "two million, nine hundred forty-two thousand, five hundred thirty-one".