474801391 has 2 divisors, whose sum is σ = 474801392. Its totient is φ = 474801390.

The previous prime is 474801377. The next prime is 474801403. The reversal of 474801391 is 193108474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 474801391 - 2⁵ = 474801359 is a prime.

It is equal to p_25095835 and since 474801391 and 25095835 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 474801391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474801331) 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, 237400695 + 237400696.

It is an arithmetic number, because the mean of its divisors is an integer number (237400696).

Almost surely, 2^474801391 is an apocalyptic number.

474801391 is a deficient number, since it is larger than the sum of its proper divisors (1).

474801391 is an equidigital number, since it uses as much as digits as its factorization.

474801391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 474801391 is about 21789.9378383693. The cubic root of 474801391 is about 780.1366137000.

The spelling of 474801391 in words is "four hundred seventy-four million, eight hundred one thousand, three hundred ninety-one".