52100515 has 4 divisors (see below), whose sum is σ = 62520624. Its totient is φ = 41680408.

The previous prime is 52100513. The next prime is 52100533. The reversal of 52100515 is 51500125.

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 52100515 - 2¹ = 52100513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52100492 and 52100501.

It is not an unprimeable number, because it can be changed into a prime (52100513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5210047 + ... + 5210056.

It is an arithmetic number, because the mean of its divisors is an integer number (15630156).

Almost surely, 2^52100515 is an apocalyptic number.

52100515 is a deficient number, since it is larger than the sum of its proper divisors (10420109).

52100515 is a wasteful number, since it uses less digits than its factorization.

52100515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10420108.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 52100515 is about 7218.0686474984. The cubic root of 52100515 is about 373.4914566329.

The spelling of 52100515 in words is "fifty-two million, one hundred thousand, five hundred fifteen".