242513524 has 60 divisors (see below), whose sum is σ = 482956740. Its totient is φ = 106480000.

The previous prime is 242513477. The next prime is 242513563. The reversal of 242513524 is 425315242.

It can be written as a sum of positive squares in 2 ways, for example, as 123921424 + 118592100 = 11132^2 + 10890^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242513492 and 242513501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2401074 + ... + 2401174.

It is an arithmetic number, because the mean of its divisors is an integer number (8049279).

Almost surely, 2^242513524 is an apocalyptic number.

It is an amenable number.

242513524 is a deficient number, since it is larger than the sum of its proper divisors (240443216).

242513524 is a wasteful number, since it uses less digits than its factorization.

242513524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 155 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 242513524 is about 15572.8457258139. The cubic root of 242513524 is about 623.6084444967.

Adding to 242513524 its reverse (425315242), we get a palindrome (667828766).

The spelling of 242513524 in words is "two hundred forty-two million, five hundred thirteen thousand, five hundred twenty-four".