940258217 has 2 divisors, whose sum is σ = 940258218. Its totient is φ = 940258216.

The previous prime is 940258169. The next prime is 940258229. The reversal of 940258217 is 712852049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 682045456 + 258212761 = 26116^2 + 16069^2 .

It is a cyclic number.

It is not a de Polignac number, because 940258217 - 2⁶ = 940258153 is a prime.

It is not a weakly prime, because it can be changed into another prime (940258247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470129108 + 470129109.

It is an arithmetic number, because the mean of its divisors is an integer number (470129109).

Almost surely, 2^940258217 is an apocalyptic number.

It is an amenable number.

940258217 is a deficient number, since it is larger than the sum of its proper divisors (1).

940258217 is an equidigital number, since it uses as much as digits as its factorization.

940258217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 940258217 is about 30663.6301993094. The cubic root of 940258217 is about 979.6757975909.

The spelling of 940258217 in words is "nine hundred forty million, two hundred fifty-eight thousand, two hundred seventeen".