42533525 has 12 divisors (see below), whose sum is σ = 52904352. Its totient is φ = 33921840.

The previous prime is 42533501. The next prime is 42533527. The reversal of 42533525 is 52533524.

It is a de Polignac number, because none of the positive numbers 2^k-42533525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42533527) 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, 6224 + ... + 11126.

It is an arithmetic number, because the mean of its divisors is an integer number (4408696).

Almost surely, 2^42533525 is an apocalyptic number.

It is an amenable number.

42533525 is a deficient number, since it is larger than the sum of its proper divisors (10370827).

42533525 is a wasteful number, since it uses less digits than its factorization.

42533525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260 (or 5255 counting only the distinct ones).

The product of its digits is 18000, while the sum is 29.

The square root of 42533525 is about 6521.7731484620. The cubic root of 42533525 is about 349.0683385468.

Subtracting 42533525 from its reverse (52533524), we obtain a palindrome (9999999).

The spelling of 42533525 in words is "forty-two million, five hundred thirty-three thousand, five hundred twenty-five".