4415591 has 2 divisors, whose sum is σ = 4415592. Its totient is φ = 4415590.

The previous prime is 4415573. The next prime is 4415633. The reversal of 4415591 is 1955144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4415591 - 2⁶ = 4415527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4415531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2207795 + 2207796.

It is an arithmetic number, because the mean of its divisors is an integer number (2207796).

Almost surely, 2^4415591 is an apocalyptic number.

4415591 is a deficient number, since it is larger than the sum of its proper divisors (1).

4415591 is an equidigital number, since it uses as much as digits as its factorization.

4415591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 29.

The square root of 4415591 is about 2101.3307688225. The cubic root of 4415591 is about 164.0575719941.

The spelling of 4415591 in words is "four million, four hundred fifteen thousand, five hundred ninety-one".