42151607 has 4 divisors (see below), whose sum is σ = 42175920. Its totient is φ = 42127296.

The previous prime is 42151601. The next prime is 42151631. The reversal of 42151607 is 70615124.

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 42151607 - 2²⁰ = 41103031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42151601) 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, 9338 + ... + 13095.

It is an arithmetic number, because the mean of its divisors is an integer number (10543980).

Almost surely, 2^42151607 is an apocalyptic number.

42151607 is a deficient number, since it is larger than the sum of its proper divisors (24313).

42151607 is a wasteful number, since it uses less digits than its factorization.

42151607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24312.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 42151607 is about 6492.4268960074. The cubic root of 42151607 is about 348.0204082584.

The spelling of 42151607 in words is "forty-two million, one hundred fifty-one thousand, six hundred seven".