42523852 has 12 divisors (see below), whose sum is σ = 85047760. Its totient is φ = 18224496.

The previous prime is 42523823. The next prime is 42523879. The reversal of 42523852 is 25832524.

42523852 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759327 + ... + 759382.

Almost surely, 2^42523852 is an apocalyptic number.

It is an amenable number.

42523852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42523852 is a wasteful number, since it uses less digits than its factorization.

42523852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518720 (or 1518718 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 42523852 is about 6521.0315134954. The cubic root of 42523852 is about 349.0418747630.

The spelling of 42523852 in words is "forty-two million, five hundred twenty-three thousand, eight hundred fifty-two".