500280401 has 4 divisors (see below), whose sum is σ = 512482404. Its totient is φ = 488078400.

The previous prime is 500280329. The next prime is 500280433. The reversal of 500280401 is 104082005.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8549776 + 491730625 = 2924^2 + 22175^2 .

It is a cyclic number.

It is not a de Polignac number, because 500280401 - 2²⁶ = 433171537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500280601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6100940 + ... + 6101021.

It is an arithmetic number, because the mean of its divisors is an integer number (128120601).

Almost surely, 2^500280401 is an apocalyptic number.

It is an amenable number.

500280401 is a deficient number, since it is larger than the sum of its proper divisors (12202003).

500280401 is a wasteful number, since it uses less digits than its factorization.

500280401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12202002.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 500280401 is about 22366.9488531628. The cubic root of 500280401 is about 793.8488678715.

The spelling of 500280401 in words is "five hundred million, two hundred eighty thousand, four hundred one".