46538861 has 2 divisors, whose sum is σ = 46538862. Its totient is φ = 46538860.

The previous prime is 46538851. The next prime is 46538873. The reversal of 46538861 is 16883564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44809636 + 1729225 = 6694^2 + 1315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46538861 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46538831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23269430 + 23269431.

It is an arithmetic number, because the mean of its divisors is an integer number (23269431).

Almost surely, 2^46538861 is an apocalyptic number.

It is an amenable number.

46538861 is a deficient number, since it is larger than the sum of its proper divisors (1).

46538861 is an equidigital number, since it uses as much as digits as its factorization.

46538861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 41.

The square root of 46538861 is about 6821.9396801789. The cubic root of 46538861 is about 359.6984640679.

The spelling of 46538861 in words is "forty-six million, five hundred thirty-eight thousand, eight hundred sixty-one".