46915861 has 2 divisors, whose sum is σ = 46915862. Its totient is φ = 46915860.

The previous prime is 46915831. The next prime is 46915871. The reversal of 46915861 is 16851964.

46915861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44635761 + 2280100 = 6681^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 46915861 - 2¹³ = 46907669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46915831) 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, 23457930 + 23457931.

It is an arithmetic number, because the mean of its divisors is an integer number (23457931).

Almost surely, 2^46915861 is an apocalyptic number.

It is an amenable number.

46915861 is a deficient number, since it is larger than the sum of its proper divisors (1).

46915861 is an equidigital number, since it uses as much as digits as its factorization.

46915861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The square root of 46915861 is about 6849.5153843173. The cubic root of 46915861 is about 360.6671297224.

The spelling of 46915861 in words is "forty-six million, nine hundred fifteen thousand, eight hundred sixty-one".