242514515 has 4 divisors (see below), whose sum is σ = 291017424. Its totient is φ = 194011608.

The previous prime is 242514509. The next prime is 242514527. The reversal of 242514515 is 515415242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242514515 - 2¹⁶ = 242448979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24251447 + ... + 24251456.

It is an arithmetic number, because the mean of its divisors is an integer number (72754356).

Almost surely, 2^242514515 is an apocalyptic number.

242514515 is a deficient number, since it is larger than the sum of its proper divisors (48502909).

242514515 is an equidigital number, since it uses as much as digits as its factorization.

242514515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48502908.

The product of its digits is 8000, while the sum is 29.

The square root of 242514515 is about 15572.8775439865. The cubic root of 242514515 is about 623.6092939271.

Adding to 242514515 its reverse (515415242), we get a palindrome (757929757).

The spelling of 242514515 in words is "two hundred forty-two million, five hundred fourteen thousand, five hundred fifteen".