46871813 has 2 divisors, whose sum is σ = 46871814. Its totient is φ = 46871812.

The previous prime is 46871807. The next prime is 46871821. The reversal of 46871813 is 31817864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46758244 + 113569 = 6838^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 46871813 - 2⁶ = 46871749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46871893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23435906 + 23435907.

It is an arithmetic number, because the mean of its divisors is an integer number (23435907).

Almost surely, 2^46871813 is an apocalyptic number.

It is an amenable number.

46871813 is a deficient number, since it is larger than the sum of its proper divisors (1).

46871813 is an equidigital number, since it uses as much as digits as its factorization.

46871813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 46871813 is about 6846.2992192863. The cubic root of 46871813 is about 360.5542209261.

The spelling of 46871813 in words is "forty-six million, eight hundred seventy-one thousand, eight hundred thirteen".