515801 has 8 divisors (see below), whose sum is σ = 606144. Its totient is φ = 432720.

The previous prime is 515783. The next prime is 515803. The reversal of 515801 is 108515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 515801 - 2⁶ = 515737 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 515801.

It is not an unprimeable number, because it can be changed into a prime (515803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1661 + ... + 1946.

It is an arithmetic number, because the mean of its divisors is an integer number (75768).

2⁵¹⁵⁸⁰¹ is an apocalyptic number.

It is an amenable number.

515801 is a deficient number, since it is larger than the sum of its proper divisors (90343).

515801 is a wasteful number, since it uses less digits than its factorization.

515801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 515801 is about 718.1928710312. The cubic root of 515801 is about 80.1974808652.

The spelling of 515801 in words is "five hundred fifteen thousand, eight hundred one".