242392515 has 16 divisors (see below), whose sum is σ = 404690688. Its totient is φ = 123655136.

The previous prime is 242392499. The next prime is 242392523. The reversal of 242392515 is 515293242.

It is a cyclic number.

It is not a de Polignac number, because 242392515 - 2⁴ = 242392499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350949 + ... + 351638.

It is an arithmetic number, because the mean of its divisors is an integer number (25293168).

Almost surely, 2^242392515 is an apocalyptic number.

242392515 is a deficient number, since it is larger than the sum of its proper divisors (162298173).

242392515 is a wasteful number, since it uses less digits than its factorization.

242392515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702618.

The product of its digits is 21600, while the sum is 33.

The square root of 242392515 is about 15568.9599845333. The cubic root of 242392515 is about 623.5047048676.

The spelling of 242392515 in words is "two hundred forty-two million, three hundred ninety-two thousand, five hundred fifteen".