500427397 has 2 divisors, whose sum is σ = 500427398. Its totient is φ = 500427396.

The previous prime is 500427391. The next prime is 500427401. The reversal of 500427397 is 793724005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499343716 + 1083681 = 22346^2 + 1041^2 .

It is a cyclic number.

It is not a de Polignac number, because 500427397 - 2⁷ = 500427269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500427391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250213698 + 250213699.

It is an arithmetic number, because the mean of its divisors is an integer number (250213699).

Almost surely, 2^500427397 is an apocalyptic number.

It is an amenable number.

500427397 is a deficient number, since it is larger than the sum of its proper divisors (1).

500427397 is an equidigital number, since it uses as much as digits as its factorization.

500427397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 500427397 is about 22370.2346210316. The cubic root of 500427397 is about 793.9266117266.

The spelling of 500427397 in words is "five hundred million, four hundred twenty-seven thousand, three hundred ninety-seven".