501172245 has 96 divisors (see below), whose sum is σ = 1044057600. Its totient is φ = 227428992.

The previous prime is 501172219. The next prime is 501172247. The reversal of 501172245 is 542271105.

It is not a de Polignac number, because 501172245 - 2⁷ = 501172117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501172247) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1580827 + ... + 1581143.

It is an arithmetic number, because the mean of its divisors is an integer number (10875600).

Almost surely, 2^501172245 is an apocalyptic number.

It is an amenable number.

501172245 is an abundant number, since it is smaller than the sum of its proper divisors (542885355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501172245 is a wasteful number, since it uses less digits than its factorization.

501172245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 501172245 is about 22386.8766244869. The cubic root of 501172245 is about 794.3203161876.

The spelling of 501172245 in words is "five hundred one million, one hundred seventy-two thousand, two hundred forty-five".