46546781 has 2 divisors, whose sum is σ = 46546782. Its totient is φ = 46546780.

The previous prime is 46546763. The next prime is 46546783. The reversal of 46546781 is 18764564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42902500 + 3644281 = 6550^2 + 1909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46546781 is a prime.

It is a super-2 number, since 2×46546781² = 4333205642923922, which contains 22 as substring.

Together with 46546783, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46546783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23273390 + 23273391.

It is an arithmetic number, because the mean of its divisors is an integer number (23273391).

Almost surely, 2^46546781 is an apocalyptic number.

It is an amenable number.

46546781 is a deficient number, since it is larger than the sum of its proper divisors (1).

46546781 is an equidigital number, since it uses as much as digits as its factorization.

46546781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 46546781 is about 6822.5201355511. The cubic root of 46546781 is about 359.7188674482.

The spelling of 46546781 in words is "forty-six million, five hundred forty-six thousand, seven hundred eighty-one".