42525536 has 12 divisors (see below), whose sum is σ = 83722212. Its totient is φ = 21262752.

The previous prime is 42525481. The next prime is 42525541. The reversal of 42525536 is 63552524.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1328923 = 42525536 / (4 + 2 + 5 + 2 + 5 + 5 + 3 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664430 + ... + 664493.

It is an arithmetic number, because the mean of its divisors is an integer number (6976851).

Almost surely, 2^42525536 is an apocalyptic number.

It is an amenable number.

42525536 is a deficient number, since it is larger than the sum of its proper divisors (41196676).

42525536 is a wasteful number, since it uses less digits than its factorization.

42525536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328933 (or 1328925 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 42525536 is about 6521.1606328935. The cubic root of 42525536 is about 349.0464822066.

The spelling of 42525536 in words is "forty-two million, five hundred twenty-five thousand, five hundred thirty-six".