1930517 has 2 divisors, whose sum is σ = 1930518. Its totient is φ = 1930516.

The previous prime is 1930493. The next prime is 1930519. The reversal of 1930517 is 7150391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1223236 + 707281 = 1106^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 1930517 - 2⁸ = 1930261 is a prime.

Together with 1930519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1930519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965258 + 965259.

It is an arithmetic number, because the mean of its divisors is an integer number (965259).

2^1930517 is an apocalyptic number.

It is an amenable number.

1930517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1930517 is an equidigital number, since it uses as much as digits as its factorization.

1930517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 1930517 is about 1389.4304588572. The cubic root of 1930517 is about 124.5158230025.

The spelling of 1930517 in words is "one million, nine hundred thirty thousand, five hundred seventeen".