682717225 has 6 divisors (see below), whose sum is σ = 846569390. Its totient is φ = 546173760.

The previous prime is 682717223. The next prime is 682717237. The reversal of 682717225 is 522717286.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 48483369 + 634233856 = 6963^2 + 25184^2 .

It is not a de Polignac number, because 682717225 - 2¹ = 682717223 is a prime.

It is a super-2 number, since 2×682717225² = 932205618623401250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (682717223) 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, 13654320 + ... + 13654369.

Almost surely, 2^682717225 is an apocalyptic number.

It is an amenable number.

682717225 is a deficient number, since it is larger than the sum of its proper divisors (163852165).

682717225 is a wasteful number, since it uses less digits than its factorization.

682717225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27308699 (or 27308694 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 682717225 is about 26128.8580883283. The cubic root of 682717225 is about 880.5356694731.

The spelling of 682717225 in words is "six hundred eighty-two million, seven hundred seventeen thousand, two hundred twenty-five".