501113225 has 6 divisors (see below), whose sum is σ = 621380430. Its totient is φ = 400890560.

The previous prime is 501113203. The next prime is 501113227. The reversal of 501113225 is 522311105.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 606841 + 500506384 = 779^2 + 22372^2 .

It is not a de Polignac number, because 501113225 - 2¹² = 501109129 is a prime.

It is a super-2 number, since 2×501113225² = 502228928539801250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501113197 and 501113206.

It is not an unprimeable number, because it can be changed into a prime (501113227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10022240 + ... + 10022289.

It is an arithmetic number, because the mean of its divisors is an integer number (103563405).

Almost surely, 2^501113225 is an apocalyptic number.

It is an amenable number.

501113225 is a deficient number, since it is larger than the sum of its proper divisors (120267205).

501113225 is a wasteful number, since it uses less digits than its factorization.

501113225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20044539 (or 20044534 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 501113225 is about 22385.5584026845. The cubic root of 501113225 is about 794.2891342098.

The spelling of 501113225 in words is "five hundred one million, one hundred thirteen thousand, two hundred twenty-five".