242562401 has 2 divisors, whose sum is σ = 242562402. Its totient is φ = 242562400.

The previous prime is 242562391. The next prime is 242562407. The reversal of 242562401 is 104265242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153165376 + 89397025 = 12376^2 + 9455^2 .

It is a cyclic number.

It is not a de Polignac number, because 242562401 - 2¹⁸ = 242300257 is a prime.

It is equal to p_13294313 and since 242562401 and 13294313 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (242562407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121281200 + 121281201.

It is an arithmetic number, because the mean of its divisors is an integer number (121281201).

Almost surely, 2^242562401 is an apocalyptic number.

It is an amenable number.

242562401 is a deficient number, since it is larger than the sum of its proper divisors (1).

242562401 is an equidigital number, since it uses as much as digits as its factorization.

242562401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 242562401 is about 15574.4149488833. The cubic root of 242562401 is about 623.6503364044.

The spelling of 242562401 in words is "two hundred forty-two million, five hundred sixty-two thousand, four hundred one".