46081591 has 2 divisors, whose sum is σ = 46081592. Its totient is φ = 46081590.

The previous prime is 46081589. The next prime is 46081639. The reversal of 46081591 is 19518064.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46081591 - 2¹ = 46081589 is a prime.

Together with 46081589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46081501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23040795 + 23040796.

It is an arithmetic number, because the mean of its divisors is an integer number (23040796).

Almost surely, 2^46081591 is an apocalyptic number.

46081591 is a deficient number, since it is larger than the sum of its proper divisors (1).

46081591 is an equidigital number, since it uses as much as digits as its factorization.

46081591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 46081591 is about 6788.3422865969. The cubic root of 46081591 is about 358.5165057853.

The spelling of 46081591 in words is "forty-six million, eighty-one thousand, five hundred ninety-one".