242625563 has 2 divisors, whose sum is σ = 242625564. Its totient is φ = 242625562.

The previous prime is 242625553. The next prime is 242625569. The reversal of 242625563 is 365526242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242625563 - 2¹⁸ = 242363419 is a prime.

It is equal to p_13297508 and since 242625563 and 13297508 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 (242625569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121312781 + 121312782.

It is an arithmetic number, because the mean of its divisors is an integer number (121312782).

Almost surely, 2^242625563 is an apocalyptic number.

242625563 is a deficient number, since it is larger than the sum of its proper divisors (1).

242625563 is an equidigital number, since it uses as much as digits as its factorization.

242625563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 35.

The square root of 242625563 is about 15576.4425656181. The cubic root of 242625563 is about 623.7044634851.

The spelling of 242625563 in words is "two hundred forty-two million, six hundred twenty-five thousand, five hundred sixty-three".