102052315 has 4 divisors (see below), whose sum is σ = 122462784. Its totient is φ = 81641848.

The previous prime is 102052303. The next prime is 102052331. The reversal of 102052315 is 513250201.

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 102052315 - 2⁷ = 102052187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102052292 and 102052301.

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, 10205227 + ... + 10205236.

It is an arithmetic number, because the mean of its divisors is an integer number (30615696).

Almost surely, 2^102052315 is an apocalyptic number.

102052315 is a deficient number, since it is larger than the sum of its proper divisors (20410469).

102052315 is an equidigital number, since it uses as much as digits as its factorization.

102052315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20410468.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 102052315 is about 10102.0945847878. The cubic root of 102052315 is about 467.3127392081.

It can be divided in two parts, 1020 and 52315, that added together give a palindrome (53335).

The spelling of 102052315 in words is "one hundred two million, fifty-two thousand, three hundred fifteen".