42515032 has 32 divisors (see below), whose sum is σ = 93330720. Its totient is φ = 17775360.

The previous prime is 42515029. The next prime is 42515093. The reversal of 42515032 is 23051524.

It is a super-2 number, since 2×42515032² = 3615055891922048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42514994 and 42515012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6963 + ... + 11554.

It is an arithmetic number, because the mean of its divisors is an integer number (2916585).

Almost surely, 2^42515032 is an apocalyptic number.

It is an amenable number.

42515032 is an abundant number, since it is smaller than the sum of its proper divisors (50815688).

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

42515032 is a wasteful number, since it uses less digits than its factorization.

42515032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18571 (or 18567 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 42515032 is about 6520.3552050483. The cubic root of 42515032 is about 349.0177411528.

Adding to 42515032 its reverse (23051524), we get a palindrome (65566556).

The spelling of 42515032 in words is "forty-two million, five hundred fifteen thousand, thirty-two".