682409523 has 16 divisors (see below), whose sum is σ = 918732672. Its totient is φ = 450528000.

The previous prime is 682409521. The next prime is 682409531. The reversal of 682409523 is 325904286.

It is a happy number.

It is not a de Polignac number, because 682409523 - 2¹ = 682409521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (682409521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222883 + ... + 225923.

It is an arithmetic number, because the mean of its divisors is an integer number (57420792).

Almost surely, 2^682409523 is an apocalyptic number.

682409523 is a deficient number, since it is larger than the sum of its proper divisors (236323149).

682409523 is a wasteful number, since it uses less digits than its factorization.

682409523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 682409523 is about 26122.9692607866. The cubic root of 682409523 is about 880.4033632065.

The spelling of 682409523 in words is "six hundred eighty-two million, four hundred nine thousand, five hundred twenty-three".