52020515 has 4 divisors (see below), whose sum is σ = 62424624. Its totient is φ = 41616408.

The previous prime is 52020491. The next prime is 52020539. The reversal of 52020515 is 51502025.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (52020491) and next prime (52020539).

It is a cyclic number.

It is not a de Polignac number, because 52020515 - 2⁸ = 52020259 is a prime.

It is a super-2 number, since 2×52020515² = 5412267961730450, which contains 22 as substring.

It is a Duffinian number.

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, 5202047 + ... + 5202056.

It is an arithmetic number, because the mean of its divisors is an integer number (15606156).

Almost surely, 2^52020515 is an apocalyptic number.

52020515 is a deficient number, since it is larger than the sum of its proper divisors (10404109).

52020515 is a wasteful number, since it uses less digits than its factorization.

52020515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10404108.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 52020515 is about 7212.5248699745. The cubic root of 52020515 is about 373.3001941425.

The spelling of 52020515 in words is "fifty-two million, twenty thousand, five hundred fifteen".