46564621 has 2 divisors, whose sum is σ = 46564622. Its totient is φ = 46564620.

The previous prime is 46564619. The next prime is 46564667. The reversal of 46564621 is 12646564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39062500 + 7502121 = 6250^2 + 2739^2 .

It is a cyclic number.

It is not a de Polignac number, because 46564621 - 2¹ = 46564619 is a prime.

Together with 46564619, it forms a pair of twin primes.

It is equal to p_2806981 and since 46564621 and 2806981 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46564681) 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, 23282310 + 23282311.

It is an arithmetic number, because the mean of its divisors is an integer number (23282311).

Almost surely, 2^46564621 is an apocalyptic number.

It is an amenable number.

46564621 is a deficient number, since it is larger than the sum of its proper divisors (1).

46564621 is an equidigital number, since it uses as much as digits as its factorization.

46564621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 46564621 is about 6823.8274450634. The cubic root of 46564621 is about 359.7648181009.

The spelling of 46564621 in words is "forty-six million, five hundred sixty-four thousand, six hundred twenty-one".