940966571 has 2 divisors, whose sum is σ = 940966572. Its totient is φ = 940966570.

The previous prime is 940966561. The next prime is 940966577. The reversal of 940966571 is 175669049.

It is a strong prime.

It is an emirp because it is prime and its reverse (175669049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940966571 - 2²⁶ = 873857707 is a prime.

It is not a weakly prime, because it can be changed into another prime (940966577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470483285 + 470483286.

It is an arithmetic number, because the mean of its divisors is an integer number (470483286).

Almost surely, 2^940966571 is an apocalyptic number.

940966571 is a deficient number, since it is larger than the sum of its proper divisors (1).

940966571 is an equidigital number, since it uses as much as digits as its factorization.

940966571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 940966571 is about 30675.1784183890. The cubic root of 940966571 is about 979.9217523948.

The spelling of 940966571 in words is "nine hundred forty million, nine hundred sixty-six thousand, five hundred seventy-one".