42250459 has 8 divisors (see below), whose sum is σ = 43374240. Its totient is φ = 41131200.

The previous prime is 42250447. The next prime is 42250463. The reversal of 42250459 is 95405224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42250459 - 2⁷ = 42250331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42250459.

It is not an unprimeable number, because it can be changed into a prime (42250409) 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, 26322 + ... + 27880.

It is an arithmetic number, because the mean of its divisors is an integer number (5421780).

Almost surely, 2^42250459 is an apocalyptic number.

42250459 is a deficient number, since it is larger than the sum of its proper divisors (1123781).

42250459 is a wasteful number, since it uses less digits than its factorization.

42250459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 42250459 is about 6500.0353075964. The cubic root of 42250459 is about 348.2922496563.

The spelling of 42250459 in words is "forty-two million, two hundred fifty thousand, four hundred fifty-nine".