505352515 has 4 divisors (see below), whose sum is σ = 606423024. Its totient is φ = 404282008.

The previous prime is 505352503. The next prime is 505352563. The reversal of 505352515 is 515253505.

It is a happy number.

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 505352515 - 2¹⁷ = 505221443 is a prime.

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, 50535247 + ... + 50535256.

It is an arithmetic number, because the mean of its divisors is an integer number (151605756).

Almost surely, 2^505352515 is an apocalyptic number.

505352515 is a deficient number, since it is larger than the sum of its proper divisors (101070509).

505352515 is a wasteful number, since it uses less digits than its factorization.

505352515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101070508.

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 505352515 is about 22480.0470417657. The cubic root of 505352515 is about 796.5226753957.

The spelling of 505352515 in words is "five hundred five million, three hundred fifty-two thousand, five hundred fifteen".