242636671 has 2 divisors, whose sum is σ = 242636672. Its totient is φ = 242636670.

The previous prime is 242636663. The next prime is 242636677. The reversal of 242636671 is 176636242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242636671 - 2³ = 242636663 is a prime.

It is a super-2 number, since 2×242636671² = 117745108227924482, 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 242636671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242636677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121318335 + 121318336.

It is an arithmetic number, because the mean of its divisors is an integer number (121318336).

Almost surely, 2^242636671 is an apocalyptic number.

242636671 is a deficient number, since it is larger than the sum of its proper divisors (1).

242636671 is an equidigital number, since it uses as much as digits as its factorization.

242636671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 242636671 is about 15576.7991256227. The cubic root of 242636671 is about 623.7139815856.

The spelling of 242636671 in words is "two hundred forty-two million, six hundred thirty-six thousand, six hundred seventy-one".