242526997 has 2 divisors, whose sum is σ = 242526998. Its totient is φ = 242526996.

The previous prime is 242526959. The next prime is 242527031. The reversal of 242526997 is 799625242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142706916 + 99820081 = 11946^2 + 9991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242526997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242526917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121263498 + 121263499.

It is an arithmetic number, because the mean of its divisors is an integer number (121263499).

Almost surely, 2^242526997 is an apocalyptic number.

It is an amenable number.

242526997 is a deficient number, since it is larger than the sum of its proper divisors (1).

242526997 is an equidigital number, since it uses as much as digits as its factorization.

242526997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 242526997 is about 15573.2782997030. The cubic root of 242526997 is about 623.6199926100.

The spelling of 242526997 in words is "two hundred forty-two million, five hundred twenty-six thousand, nine hundred ninety-seven".