42615252 has 36 divisors (see below), whose sum is σ = 113393280. Its totient is φ = 13457232.

The previous prime is 42615241. The next prime is 42615259. The reversal of 42615252 is 25251624.

42615252 is a `hidden beast` number, since 42 + 615 + 2 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42615259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30468 + ... + 31835.

Almost surely, 2^42615252 is an apocalyptic number.

It is an amenable number.

42615252 is an abundant number, since it is smaller than the sum of its proper divisors (70778028).

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

42615252 is a wasteful number, since it uses less digits than its factorization.

42615252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62332 (or 62327 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 42615252 is about 6528.0358454898. The cubic root of 42615252 is about 349.2917705765.

Adding to 42615252 its reverse (25251624), we get a palindrome (67866876).

The spelling of 42615252 in words is "forty-two million, six hundred fifteen thousand, two hundred fifty-two".