42457259 has 16 divisors (see below), whose sum is σ = 47604480. Its totient is φ = 37601280.

The previous prime is 42457253. The next prime is 42457271. The reversal of 42457259 is 95275424.

It is a cyclic number.

It is not a de Polignac number, because 42457259 - 2⁸ = 42457003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42457253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54827 + ... + 55595.

It is an arithmetic number, because the mean of its divisors is an integer number (2975280).

Almost surely, 2^42457259 is an apocalyptic number.

42457259 is a deficient number, since it is larger than the sum of its proper divisors (5147221).

42457259 is a wasteful number, since it uses less digits than its factorization.

42457259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950.

The product of its digits is 100800, while the sum is 38.

The square root of 42457259 is about 6515.9234955607. The cubic root of 42457259 is about 348.8595779390.

The spelling of 42457259 in words is "forty-two million, four hundred fifty-seven thousand, two hundred fifty-nine".