242102517 has 8 divisors (see below), whose sum is σ = 326430720. Its totient is φ = 159588000.

The previous prime is 242102489. The next prime is 242102533. The reversal of 242102517 is 715201242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242102517 - 2¹⁸ = 241840373 is a prime.

It is a super-2 number, since 2×242102517² = 117227257475470578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242102317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453109 + ... + 453642.

It is an arithmetic number, because the mean of its divisors is an integer number (40803840).

Almost surely, 2^242102517 is an apocalyptic number.

It is an amenable number.

242102517 is a deficient number, since it is larger than the sum of its proper divisors (84328203).

242102517 is an equidigital number, since it uses as much as digits as its factorization.

242102517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906843.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 242102517 is about 15559.6438583921. The cubic root of 242102517 is about 623.2559523097.

Adding to 242102517 its reverse (715201242), we get a palindrome (957303759).

The spelling of 242102517 in words is "two hundred forty-two million, one hundred two thousand, five hundred seventeen".