1682015197 has 2 divisors, whose sum is σ = 1682015198. Its totient is φ = 1682015196.

The previous prime is 1682015141. The next prime is 1682015233. The reversal of 1682015197 is 7915102861.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1056315001 + 625700196 = 32501^2 + 25014^2 .

It is a cyclic number.

It is not a de Polignac number, because 1682015197 - 2¹¹ = 1682013149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1682012197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841007598 + 841007599.

It is an arithmetic number, because the mean of its divisors is an integer number (841007599).

Almost surely, 2^1682015197 is an apocalyptic number.

It is an amenable number.

1682015197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1682015197 is an equidigital number, since it uses as much as digits as its factorization.

1682015197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 1682015197 is about 41012.3785825694. The cubic root of 1682015197 is about 1189.2595249778.

The spelling of 1682015197 in words is "one billion, six hundred eighty-two million, fifteen thousand, one hundred ninety-seven".