42258507 has 4 divisors (see below), whose sum is σ = 56344680. Its totient is φ = 28172336.

The previous prime is 42258479. The next prime is 42258509. The reversal of 42258507 is 70585224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42258507 - 2²² = 38064203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42258509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7043082 + ... + 7043087.

It is an arithmetic number, because the mean of its divisors is an integer number (14086170).

Almost surely, 2^42258507 is an apocalyptic number.

42258507 is a deficient number, since it is larger than the sum of its proper divisors (14086173).

42258507 is a wasteful number, since it uses less digits than its factorization.

42258507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14086172.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 42258507 is about 6500.6543516788. The cubic root of 42258507 is about 348.3143628525.

The spelling of 42258507 in words is "forty-two million, two hundred fifty-eight thousand, five hundred seven".