682117971 has 4 divisors (see below), whose sum is σ = 909490632. Its totient is φ = 454745312.

The previous prime is 682117951. The next prime is 682118023. The reversal of 682117971 is 179711286.

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

It is a cyclic number.

It is not a de Polignac number, because 682117971 - 2¹⁸ = 681855827 is a prime.

It is a super-2 number, since 2×682117971² = 930569852722313682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (682117951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113686326 + ... + 113686331.

It is an arithmetic number, because the mean of its divisors is an integer number (227372658).

Almost surely, 2^682117971 is an apocalyptic number.

682117971 is a deficient number, since it is larger than the sum of its proper divisors (227372661).

682117971 is a wasteful number, since it uses less digits than its factorization.

682117971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227372660.

The product of its digits is 42336, while the sum is 42.

The square root of 682117971 is about 26117.3882882650. The cubic root of 682117971 is about 880.2779644460.

The spelling of 682117971 in words is "six hundred eighty-two million, one hundred seventeen thousand, nine hundred seventy-one".