682425553 has 4 divisors (see below), whose sum is σ = 682714548. Its totient is φ = 682136560.

The previous prime is 682425529. The next prime is 682425559. The reversal of 682425553 is 355524286.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80066704 + 602358849 = 8948^2 + 24543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682425553 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682425559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140926 + ... + 145687.

It is an arithmetic number, because the mean of its divisors is an integer number (170678637).

Almost surely, 2^682425553 is an apocalyptic number.

It is an amenable number.

682425553 is a deficient number, since it is larger than the sum of its proper divisors (288995).

682425553 is a wasteful number, since it uses less digits than its factorization.

682425553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288994.

The product of its digits is 288000, while the sum is 40.

The square root of 682425553 is about 26123.2760770926. The cubic root of 682425553 is about 880.4102567970.

The spelling of 682425553 in words is "six hundred eighty-two million, four hundred twenty-five thousand, five hundred fifty-three".