242514491 has 2 divisors, whose sum is σ = 242514492. Its totient is φ = 242514490.

The previous prime is 242514449. The next prime is 242514509. The reversal of 242514491 is 194415242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242514491 - 2²⁶ = 175405627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (242514421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121257245 + 121257246.

It is an arithmetic number, because the mean of its divisors is an integer number (121257246).

Almost surely, 2^242514491 is an apocalyptic number.

242514491 is a deficient number, since it is larger than the sum of its proper divisors (1).

242514491 is an equidigital number, since it uses as much as digits as its factorization.

242514491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 242514491 is about 15572.8767734160. The cubic root of 242514491 is about 623.6092733557.

The spelling of 242514491 in words is "two hundred forty-two million, five hundred fourteen thousand, four hundred ninety-one".