42258537 has 32 divisors (see below), whose sum is σ = 64310400. Its totient is φ = 27418176.

The previous prime is 42258529. The next prime is 42258553. The reversal of 42258537 is 73585224.

42258537 is a `hidden beast` number, since 42 + 2 + 585 + 37 = 666.

It is not a de Polignac number, because 42258537 - 2³ = 42258529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42253537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244183 + ... + 244355.

It is an arithmetic number, because the mean of its divisors is an integer number (2009700).

Almost surely, 2^42258537 is an apocalyptic number.

It is an amenable number.

42258537 is a deficient number, since it is larger than the sum of its proper divisors (22051863).

42258537 is a wasteful number, since it uses less digits than its factorization.

42258537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 368 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 42258537 is about 6500.6566591384. The cubic root of 42258537 is about 348.3144452772.

The spelling of 42258537 in words is "forty-two million, two hundred fifty-eight thousand, five hundred thirty-seven".