42258117 has 8 divisors (see below), whose sum is σ = 61466400. Its totient is φ = 25610960.

The previous prime is 42258103. The next prime is 42258131. The reversal of 42258117 is 71185224.

It is an interprime number because it is at equal distance from previous prime (42258103) and next prime (42258131).

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

It is a cyclic number.

It is not a de Polignac number, because 42258117 - 2⁷ = 42257989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42258157) 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, 640242 + ... + 640307.

It is an arithmetic number, because the mean of its divisors is an integer number (7683300).

Almost surely, 2^42258117 is an apocalyptic number.

It is an amenable number.

42258117 is a deficient number, since it is larger than the sum of its proper divisors (19208283).

42258117 is a wasteful number, since it uses less digits than its factorization.

42258117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280563.

The product of its digits is 4480, while the sum is 30.

The square root of 42258117 is about 6500.6243546293. The cubic root of 42258117 is about 348.3132913285.

The spelling of 42258117 in words is "forty-two million, two hundred fifty-eight thousand, one hundred seventeen".