42529025 has 24 divisors (see below), whose sum is σ = 65751744. Its totient is φ = 26510400.

The previous prime is 42529007. The next prime is 42529033. The reversal of 42529025 is 52092524.

It is not a de Polignac number, because 42529025 - 2⁶ = 42528961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9122 + ... + 12971.

It is an arithmetic number, because the mean of its divisors is an integer number (2739656).

Almost surely, 2^42529025 is an apocalyptic number.

It is an amenable number.

42529025 is a deficient number, since it is larger than the sum of its proper divisors (23222719).

42529025 is a wasteful number, since it uses less digits than its factorization.

42529025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22121 (or 22116 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 42529025 is about 6521.4281411360. The cubic root of 42529025 is about 349.0560277643.

The spelling of 42529025 in words is "forty-two million, five hundred twenty-nine thousand, twenty-five".