505387201 has 8 divisors (see below), whose sum is σ = 551529504. Its totient is φ = 459277920.

The previous prime is 505387177. The next prime is 505387219. The reversal of 505387201 is 102783505.

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 505387201 - 2¹⁵ = 505354433 is a prime.

It is a super-2 number, since 2×505387201² = 510832445869228802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505387801) 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, 32541 + ... + 45493.

It is an arithmetic number, because the mean of its divisors is an integer number (68941188).

Almost surely, 2^505387201 is an apocalyptic number.

It is an amenable number.

505387201 is a deficient number, since it is larger than the sum of its proper divisors (46142303).

505387201 is a wasteful number, since it uses less digits than its factorization.

505387201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16511.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 505387201 is about 22480.8185126788. The cubic root of 505387201 is about 796.5408986838.

The spelling of 505387201 in words is "five hundred five million, three hundred eighty-seven thousand, two hundred one".