505798601 has 16 divisors (see below), whose sum is σ = 663797760. Its totient is φ = 373384080.

The previous prime is 505798571. The next prime is 505798627. The reversal of 505798601 is 106897505.

It is a cyclic number.

It is not a de Polignac number, because 505798601 - 2²² = 501604297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505798661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171401 + ... + 174326.

It is an arithmetic number, because the mean of its divisors is an integer number (41487360).

Almost surely, 2^505798601 is an apocalyptic number.

It is an amenable number.

505798601 is a deficient number, since it is larger than the sum of its proper divisors (157999159).

505798601 is a wasteful number, since it uses less digits than its factorization.

505798601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345764.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 505798601 is about 22489.9666740527. The cubic root of 505798601 is about 796.7569759456.

The spelling of 505798601 in words is "five hundred five million, seven hundred ninety-eight thousand, six hundred one".