2942257531 has 2 divisors, whose sum is σ = 2942257532. Its totient is φ = 2942257530.

The previous prime is 2942257519. The next prime is 2942257567. The reversal of 2942257531 is 1357522492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2942257531 - 2¹⁵ = 2942224763 is a prime.

It is a super-2 number, since 2×2942257531² = 17313758757452431922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2942251531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471128765 + 1471128766.

It is an arithmetic number, because the mean of its divisors is an integer number (1471128766).

Almost surely, 2^2942257531 is an apocalyptic number.

2942257531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2942257531 is an equidigital number, since it uses as much as digits as its factorization.

2942257531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 2942257531 is about 54242.5804235012. The cubic root of 2942257531 is about 1432.9363321927.

The spelling of 2942257531 in words is "two billion, nine hundred forty-two million, two hundred fifty-seven thousand, five hundred thirty-one".