502943364225 has 27 divisors (see below), whose sum is σ = 900846501763. Its totient is φ = 268230787440.

The previous prime is 502943364191. The next prime is 502943364257. The reversal of 502943364225 is 522463349205.

The square root of 502943364225 is 709185.

It is a perfect power (a square), and thus also a powerful number.

502943364225 is a `hidden beast` number, since 5 + 0 + 2 + 94 + 336 + 4 + 225 = 666.

It can be written as a sum of positive squares in only one way, i.e., 181059611121 + 321883753104 = 425511^2 + 567348^2 .

It is not a de Polignac number, because 502943364225 - 2²³ = 502934975617 is a prime.

It is a super-2 number, since 2×502943364225² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 10614136 + ... + 10661414.

Almost surely, 2^502943364225 is an apocalyptic number.

502943364225 is the 709185-th square number.

502943364225 is the 354593-rd centered octagonal number.

It is an amenable number.

502943364225 is a deficient number, since it is larger than the sum of its proper divisors (397903137538).

502943364225 is an frugal number, since it uses more digits than its factorization.

502943364225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94574 (or 47287 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 502943364225 in words is "five hundred two billion, nine hundred forty-three million, three hundred sixty-four thousand, two hundred twenty-five".