46421591 has 2 divisors, whose sum is σ = 46421592. Its totient is φ = 46421590.

The previous prime is 46421561. The next prime is 46421647. The reversal of 46421591 is 19512464.

46421591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46421591 - 2¹⁰ = 46420567 is a prime.

It is a super-2 number, since 2×46421591² = 4309928221942562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46421561) 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, 23210795 + 23210796.

It is an arithmetic number, because the mean of its divisors is an integer number (23210796).

Almost surely, 2^46421591 is an apocalyptic number.

46421591 is a deficient number, since it is larger than the sum of its proper divisors (1).

46421591 is an equidigital number, since it uses as much as digits as its factorization.

46421591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 46421591 is about 6813.3391960184. The cubic root of 46421591 is about 359.3960836629.

The spelling of 46421591 in words is "forty-six million, four hundred twenty-one thousand, five hundred ninety-one".