42365851 has 12 divisors (see below), whose sum is σ = 47831056. Its totient is φ = 37469520.

The previous prime is 42365837. The next prime is 42365867. The reversal of 42365851 is 15856324.

It is not a de Polignac number, because 42365851 - 2⁹ = 42365339 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42365821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255 + ... + 9208.

Almost surely, 2^42365851 is an apocalyptic number.

42365851 is a deficient number, since it is larger than the sum of its proper divisors (5465205).

42365851 is a wasteful number, since it uses less digits than its factorization.

42365851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522 (or 9511 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 42365851 is about 6508.9055147544. The cubic root of 42365851 is about 348.6090399533.

The spelling of 42365851 in words is "forty-two million, three hundred sixty-five thousand, eight hundred fifty-one".