242425869 has 32 divisors (see below), whose sum is σ = 379330560. Its totient is φ = 134851392.

The previous prime is 242425853. The next prime is 242425889. The reversal of 242425869 is 968524242.

It is not a de Polignac number, because 242425869 - 2⁴ = 242425853 is a prime.

It is a super-2 number, since 2×242425869² = 117540603920810322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242425869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242425829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153924 + ... + 155490.

It is an arithmetic number, because the mean of its divisors is an integer number (11854080).

Almost surely, 2^242425869 is an apocalyptic number.

It is an amenable number.

242425869 is a deficient number, since it is larger than the sum of its proper divisors (136904691).

242425869 is a wasteful number, since it uses less digits than its factorization.

242425869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769.

The product of its digits is 276480, while the sum is 42.

The square root of 242425869 is about 15570.0311175026. The cubic root of 242425869 is about 623.5333023157.

The spelling of 242425869 in words is "two hundred forty-two million, four hundred twenty-five thousand, eight hundred sixty-nine".