1715971 has 2 divisors, whose sum is σ = 1715972. Its totient is φ = 1715970.

The previous prime is 1715927. The next prime is 1715983. The reversal of 1715971 is 1795171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1715971 - 2⁹ = 1715459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1715911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 857985 + 857986.

It is an arithmetic number, because the mean of its divisors is an integer number (857986).

2^1715971 is an apocalyptic number.

1715971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1715971 is an equidigital number, since it uses as much as digits as its factorization.

1715971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2205, while the sum is 31.

The square root of 1715971 is about 1309.9507624335. The cubic root of 1715971 is about 119.7209022998.

The spelling of 1715971 in words is "one million, seven hundred fifteen thousand, nine hundred seventy-one".