42052529 has 8 divisors (see below), whose sum is σ = 44395680. Its totient is φ = 39832740.

The previous prime is 42052513. The next prime is 42052559. The reversal of 42052529 is 92525024.

It is not a de Polignac number, because 42052529 - 2⁴ = 42052513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42052559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3794 + ... + 9924.

It is an arithmetic number, because the mean of its divisors is an integer number (5549460).

Almost surely, 2^42052529 is an apocalyptic number.

It is an amenable number.

42052529 is a deficient number, since it is larger than the sum of its proper divisors (2343151).

42052529 is an frugal number, since it uses more digits than its factorization.

42052529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188 (or 6150 counting only the distinct ones).

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

The square root of 42052529 is about 6484.7921323663. The cubic root of 42052529 is about 347.7475185635.

The spelling of 42052529 in words is "forty-two million, fifty-two thousand, five hundred twenty-nine".