242513502 has 32 divisors (see below), whose sum is σ = 604710144. Its totient is φ = 62990400.

The previous prime is 242513477. The next prime is 242513563. The reversal of 242513502 is 205315242.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261999 + ... + 262922.

It is an arithmetic number, because the mean of its divisors is an integer number (18897192).

Almost surely, 2^242513502 is an apocalyptic number.

242513502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242513502 is an abundant number, since it is smaller than the sum of its proper divisors (362196642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242513502 is a wasteful number, since it uses less digits than its factorization.

242513502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524944.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 242513502 is about 15572.8450194561. The cubic root of 242513502 is about 623.6084256395.

Adding to 242513502 its reverse (205315242), we get a palindrome (447828744).

The spelling of 242513502 in words is "two hundred forty-two million, five hundred thirteen thousand, five hundred two".