500012522 has 4 divisors (see below), whose sum is σ = 750018786. Its totient is φ = 250006260.

The previous prime is 500012521. The next prime is 500012533. The reversal of 500012522 is 225210005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225210005 = 5 ⋅45042001.

It can be written as a sum of positive squares in only one way, i.e., 469198921 + 30813601 = 21661^2 + 5551^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 500012522.

It is not an unprimeable number, because it can be changed into a prime (500012521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125003129 + ... + 125003132.

Almost surely, 2^500012522 is an apocalyptic number.

500012522 is a deficient number, since it is larger than the sum of its proper divisors (250006264).

500012522 is a wasteful number, since it uses less digits than its factorization.

500012522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250006263.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 500012522 is about 22360.9597736770. The cubic root of 500012522 is about 793.7071517408.

Adding to 500012522 its reverse (225210005), we get a palindrome (725222527).

The spelling of 500012522 in words is "five hundred million, twelve thousand, five hundred twenty-two".