4315891 has 2 divisors, whose sum is σ = 4315892. Its totient is φ = 4315890.

The previous prime is 4315873. The next prime is 4315897. The reversal of 4315891 is 1985134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4315891 - 2⁷ = 4315763 is a prime.

4315891 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4315897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2157945 + 2157946.

It is an arithmetic number, because the mean of its divisors is an integer number (2157946).

Almost surely, 2^4315891 is an apocalyptic number.

4315891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4315891 is an equidigital number, since it uses as much as digits as its factorization.

4315891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 4315891 is about 2077.4722621494. The cubic root of 4315891 is about 162.8134038470.

The spelling of 4315891 in words is "four million, three hundred fifteen thousand, eight hundred ninety-one".