42495915 has 32 divisors (see below), whose sum is σ = 84773376. Its totient is φ = 17660160.

The previous prime is 42495899. The next prime is 42495931. The reversal of 42495915 is 51959424.

It is an interprime number because it is at equal distance from previous prime (42495899) and next prime (42495931).

It is not a de Polignac number, because 42495915 - 2⁴ = 42495899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17242 + ... + 19551.

It is an arithmetic number, because the mean of its divisors is an integer number (2649168).

Almost surely, 2^42495915 is an apocalyptic number.

42495915 is a deficient number, since it is larger than the sum of its proper divisors (42277461).

42495915 is a wasteful number, since it uses less digits than its factorization.

42495915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36819.

The product of its digits is 64800, while the sum is 39.

The square root of 42495915 is about 6518.8890924758. The cubic root of 42495915 is about 348.9654210506.

The spelling of 42495915 in words is "forty-two million, four hundred ninety-five thousand, nine hundred fifteen".