242700529 has 2 divisors, whose sum is σ = 242700530. Its totient is φ = 242700528.

The previous prime is 242700487. The next prime is 242700541. The reversal of 242700529 is 925007242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242642929 + 57600 = 15577^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 242700529 - 2¹³ = 242692337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242700529.

It is not a weakly prime, because it can be changed into another prime (242700229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121350264 + 121350265.

It is an arithmetic number, because the mean of its divisors is an integer number (121350265).

Almost surely, 2^242700529 is an apocalyptic number.

It is an amenable number.

242700529 is a deficient number, since it is larger than the sum of its proper divisors (1).

242700529 is an equidigital number, since it uses as much as digits as its factorization.

242700529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 242700529 is about 15578.8487700472. The cubic root of 242700529 is about 623.7686938894.

The spelling of 242700529 in words is "two hundred forty-two million, seven hundred thousand, five hundred twenty-nine".