242464993 has 2 divisors, whose sum is σ = 242464994. Its totient is φ = 242464992.

The previous prime is 242464979. The next prime is 242465059. The reversal of 242464993 is 399464242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205291584 + 37173409 = 14328^2 + 6097^2 .

It is a cyclic number.

It is not a de Polignac number, because 242464993 - 2⁵ = 242464961 is a prime.

It is not a weakly prime, because it can be changed into another prime (242464933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121232496 + 121232497.

It is an arithmetic number, because the mean of its divisors is an integer number (121232497).

Almost surely, 2^242464993 is an apocalyptic number.

It is an amenable number.

242464993 is a deficient number, since it is larger than the sum of its proper divisors (1).

242464993 is an equidigital number, since it uses as much as digits as its factorization.

242464993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 43.

The square root of 242464993 is about 15571.2874547996. The cubic root of 242464993 is about 623.5668435721.

The spelling of 242464993 in words is "two hundred forty-two million, four hundred sixty-four thousand, nine hundred ninety-three".