42515292 has 36 divisors (see below), whose sum is σ = 101248728. Its totient is φ = 13881600.

The previous prime is 42515287. The next prime is 42515309. The reversal of 42515292 is 29251524.

42515292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176292 + ... + 176532.

Almost surely, 2^42515292 is an apocalyptic number.

It is an amenable number.

42515292 is an abundant number, since it is smaller than the sum of its proper divisors (58733436).

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

42515292 is a wasteful number, since it uses less digits than its factorization.

42515292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 307 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 42515292 is about 6520.3751425819. The cubic root of 42515292 is about 349.0184526221.

It can be divided in two parts, 4251529 and 2, that multiplied together give a palindrome (8503058).

The spelling of 42515292 in words is "forty-two million, five hundred fifteen thousand, two hundred ninety-two".