42475915 has 4 divisors (see below), whose sum is σ = 50971104. Its totient is φ = 33980728.

The previous prime is 42475819. The next prime is 42475931. The reversal of 42475915 is 51957424.

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 42475915 - 2⁹ = 42475403 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4247587 + ... + 4247596.

It is an arithmetic number, because the mean of its divisors is an integer number (12742776).

Almost surely, 2^42475915 is an apocalyptic number.

42475915 is a deficient number, since it is larger than the sum of its proper divisors (8495189).

42475915 is an equidigital number, since it uses as much as digits as its factorization.

42475915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8495188.

The product of its digits is 50400, while the sum is 37.

The square root of 42475915 is about 6517.3549082431. The cubic root of 42475915 is about 348.9106675242.

The spelling of 42475915 in words is "forty-two million, four hundred seventy-five thousand, nine hundred fifteen".