501224645 has 8 divisors (see below), whose sum is σ = 601709856. Its totient is φ = 400819536.

The previous prime is 501224639. The next prime is 501224653. The reversal of 501224645 is 546422105.

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 501224645 - 2⁴ = 501224629 is a prime.

It is a super-2 number, since 2×501224645² = 502452289510752050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5267 + ... + 32096.

It is an arithmetic number, because the mean of its divisors is an integer number (75213732).

Almost surely, 2^501224645 is an apocalyptic number.

It is an amenable number.

501224645 is a deficient number, since it is larger than the sum of its proper divisors (100485211).

501224645 is a wasteful number, since it uses less digits than its factorization.

501224645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40051.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 501224645 is about 22388.0469224093. The cubic root of 501224645 is about 794.3479985758.

The spelling of 501224645 in words is "five hundred one million, two hundred twenty-four thousand, six hundred forty-five".