501171225 has 12 divisors (see below), whose sum is σ = 828603216. Its totient is φ = 267291280.

The previous prime is 501171211. The next prime is 501171239. The reversal of 501171225 is 522171105.

It is an interprime number because it is at equal distance from previous prime (501171211) and next prime (501171239).

It is not a de Polignac number, because 501171225 - 2¹⁸ = 500909081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501171195 and 501171204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3341067 + ... + 3341216.

It is an arithmetic number, because the mean of its divisors is an integer number (69050268).

Almost surely, 2^501171225 is an apocalyptic number.

It is an amenable number.

501171225 is a deficient number, since it is larger than the sum of its proper divisors (327431991).

501171225 is a wasteful number, since it uses less digits than its factorization.

501171225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682296 (or 6682291 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 501171225 is about 22386.8538432715. The cubic root of 501171225 is about 794.3197773128.

The spelling of 501171225 in words is "five hundred one million, one hundred seventy-one thousand, two hundred twenty-five".