501225199 has 4 divisors (see below), whose sum is σ = 514771864. Its totient is φ = 487678536.

The previous prime is 501225181. The next prime is 501225203. The reversal of 501225199 is 991522105.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501225199 is a prime.

It is a super-2 number, since 2×501225199² = 502453400225179202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501220199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6773277 + ... + 6773350.

It is an arithmetic number, because the mean of its divisors is an integer number (128692966).

Almost surely, 2^501225199 is an apocalyptic number.

501225199 is a deficient number, since it is larger than the sum of its proper divisors (13546665).

501225199 is a wasteful number, since it uses less digits than its factorization.

501225199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13546664.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 501225199 is about 22388.0592950796. The cubic root of 501225199 is about 794.3482912381.

The spelling of 501225199 in words is "five hundred one million, two hundred twenty-five thousand, one hundred ninety-nine".