42094515 has 16 divisors (see below), whose sum is σ = 69674400. Its totient is φ = 21676032.

The previous prime is 42094513. The next prime is 42094517. The reversal of 42094515 is 51549024.

42094515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42094513) and next prime (42094517).

It is not a de Polignac number, because 42094515 - 2¹ = 42094513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42094513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47950 + ... + 48819.

It is an arithmetic number, because the mean of its divisors is an integer number (4354650).

Almost surely, 2^42094515 is an apocalyptic number.

42094515 is a deficient number, since it is larger than the sum of its proper divisors (27579885).

42094515 is a wasteful number, since it uses less digits than its factorization.

42094515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96806.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 42094515 is about 6488.0285911824. The cubic root of 42094515 is about 347.8632125239.

The spelling of 42094515 in words is "forty-two million, ninety-four thousand, five hundred fifteen".