242455097 has 2 divisors, whose sum is σ = 242455098. Its totient is φ = 242455096.

The previous prime is 242455091. The next prime is 242455127. The reversal of 242455097 is 790554242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145057936 + 97397161 = 12044^2 + 9869^2 .

It is a cyclic number.

It is not a de Polignac number, because 242455097 - 2¹⁸ = 242192953 is a prime.

It is a super-2 number, since 2×242455097² = 117568948122558818, 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 242455097.

It is not a weakly prime, because it can be changed into another prime (242455091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121227548 + 121227549.

It is an arithmetic number, because the mean of its divisors is an integer number (121227549).

Almost surely, 2^242455097 is an apocalyptic number.

It is an amenable number.

242455097 is a deficient number, since it is larger than the sum of its proper divisors (1).

242455097 is an equidigital number, since it uses as much as digits as its factorization.

242455097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 242455097 is about 15570.9696872096. The cubic root of 242455097 is about 623.5583600087.

The spelling of 242455097 in words is "two hundred forty-two million, four hundred fifty-five thousand, ninety-seven".