52042515 has 32 divisors (see below), whose sum is σ = 95439360. Its totient is φ = 23721984.

The previous prime is 52042511. The next prime is 52042519. The reversal of 52042515 is 51524025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52042511) and next prime (52042519).

It is not a de Polignac number, because 52042515 - 2² = 52042511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52042511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60156 + ... + 61014.

It is an arithmetic number, because the mean of its divisors is an integer number (2982480).

Almost surely, 2^52042515 is an apocalyptic number.

52042515 is a deficient number, since it is larger than the sum of its proper divisors (43396845).

52042515 is a wasteful number, since it uses less digits than its factorization.

52042515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 52042515 is about 7214.0498334847. The cubic root of 52042515 is about 373.3528108638.

The spelling of 52042515 in words is "fifty-two million, forty-two thousand, five hundred fifteen".