242306497 has 2 divisors, whose sum is σ = 242306498. Its totient is φ = 242306496.

The previous prime is 242306453. The next prime is 242306501. The reversal of 242306497 is 794603242.

242306497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241615936 + 690561 = 15544^2 + 831^2 .

It is a cyclic number.

It is not a de Polignac number, because 242306497 - 2⁷ = 242306369 is a prime.

It is a super-2 number, since 2×242306497² = 117424876976822018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242300497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121153248 + 121153249.

It is an arithmetic number, because the mean of its divisors is an integer number (121153249).

Almost surely, 2^242306497 is an apocalyptic number.

It is an amenable number.

242306497 is a deficient number, since it is larger than the sum of its proper divisors (1).

242306497 is an equidigital number, since it uses as much as digits as its factorization.

242306497 is an evil number, because the sum of its binary digits is even.

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

The square root of 242306497 is about 15566.1972555920. The cubic root of 242306497 is about 623.4309416257.

The spelling of 242306497 in words is "two hundred forty-two million, three hundred six thousand, four hundred ninety-seven".