794517421 has 2 divisors, whose sum is σ = 794517422. Its totient is φ = 794517420.

The previous prime is 794517377. The next prime is 794517431. The reversal of 794517421 is 124715497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504496521 + 290020900 = 22461^2 + 17030^2 .

It is a cyclic number.

It is not a de Polignac number, because 794517421 - 2¹⁷ = 794386349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (794517431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397258710 + 397258711.

It is an arithmetic number, because the mean of its divisors is an integer number (397258711).

Almost surely, 2^794517421 is an apocalyptic number.

It is an amenable number.

794517421 is a deficient number, since it is larger than the sum of its proper divisors (1).

794517421 is an equidigital number, since it uses as much as digits as its factorization.

794517421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 40.

The square root of 794517421 is about 28187.1854040094. The cubic root of 794517421 is about 926.1922472935.

The spelling of 794517421 in words is "seven hundred ninety-four million, five hundred seventeen thousand, four hundred twenty-one".