242872951 has 2 divisors, whose sum is σ = 242872952. Its totient is φ = 242872950.

The previous prime is 242872843. The next prime is 242872963. The reversal of 242872951 is 159278242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242872951 - 2¹⁵ = 242840183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242872051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121436475 + 121436476.

It is an arithmetic number, because the mean of its divisors is an integer number (121436476).

Almost surely, 2^242872951 is an apocalyptic number.

242872951 is a deficient number, since it is larger than the sum of its proper divisors (1).

242872951 is an equidigital number, since it uses as much as digits as its factorization.

242872951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 242872951 is about 15584.3816367542. The cubic root of 242872951 is about 623.9163738127.

The spelling of 242872951 in words is "two hundred forty-two million, eight hundred seventy-two thousand, nine hundred fifty-one".