1682508997 has 8 divisors (see below), whose sum is σ = 1812545280. Its totient is φ = 1552560240.

The previous prime is 1682508991. The next prime is 1682509007. The reversal of 1682508997 is 7998052861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1682508997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682508991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21204 + ... + 61762.

It is an arithmetic number, because the mean of its divisors is an integer number (226568160).

Almost surely, 2^1682508997 is an apocalyptic number.

It is an amenable number.

1682508997 is a deficient number, since it is larger than the sum of its proper divisors (130036283).

1682508997 is a wasteful number, since it uses less digits than its factorization.

1682508997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43763.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The square root of 1682508997 is about 41018.3982744329. The cubic root of 1682508997 is about 1189.3758931089.

The spelling of 1682508997 in words is "one billion, six hundred eighty-two million, five hundred eight thousand, nine hundred ninety-seven".