42825516 has 24 divisors (see below), whose sum is σ = 105804720. Its totient is φ = 13435392.

The previous prime is 42825509. The next prime is 42825521. The reversal of 42825516 is 61552824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104761 + ... + 105168.

It is an arithmetic number, because the mean of its divisors is an integer number (4408530).

Almost surely, 2^42825516 is an apocalyptic number.

It is an amenable number.

42825516 is an abundant number, since it is smaller than the sum of its proper divisors (62979204).

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

42825516 is a wasteful number, since it uses less digits than its factorization.

42825516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209953 (or 209951 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 42825516 is about 6544.1207201579. The cubic root of 42825516 is about 349.8652978246.

The spelling of 42825516 in words is "forty-two million, eight hundred twenty-five thousand, five hundred sixteen".