599401391 has 2 divisors, whose sum is σ = 599401392. Its totient is φ = 599401390.

The previous prime is 599401339. The next prime is 599401403. The reversal of 599401391 is 193104995.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 599401391 - 2¹⁰ = 599400367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (599401291) 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, 299700695 + 299700696.

It is an arithmetic number, because the mean of its divisors is an integer number (299700696).

Almost surely, 2^599401391 is an apocalyptic number.

599401391 is a deficient number, since it is larger than the sum of its proper divisors (1).

599401391 is an equidigital number, since it uses as much as digits as its factorization.

599401391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 599401391 is about 24482.6753235834. The cubic root of 599401391 is about 843.1520795335.

The spelling of 599401391 in words is "five hundred ninety-nine million, four hundred one thousand, three hundred ninety-one".