682473257 has 2 divisors, whose sum is σ = 682473258. Its totient is φ = 682473256.

The previous prime is 682473241. The next prime is 682473263. The reversal of 682473257 is 752374286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 653518096 + 28955161 = 25564^2 + 5381^2 .

It is a cyclic number.

It is not a de Polignac number, because 682473257 - 2⁴ = 682473241 is a prime.

It is not a weakly prime, because it can be changed into another prime (682473287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341236628 + 341236629.

It is an arithmetic number, because the mean of its divisors is an integer number (341236629).

Almost surely, 2^682473257 is an apocalyptic number.

It is an amenable number.

682473257 is a deficient number, since it is larger than the sum of its proper divisors (1).

682473257 is an equidigital number, since it uses as much as digits as its factorization.

682473257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 44.

The square root of 682473257 is about 26124.1891166023. The cubic root of 682473257 is about 880.4307709333.

The spelling of 682473257 in words is "six hundred eighty-two million, four hundred seventy-three thousand, two hundred fifty-seven".