46650781 has 2 divisors, whose sum is σ = 46650782. Its totient is φ = 46650780.

The previous prime is 46650761. The next prime is 46650797. The reversal of 46650781 is 18705664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39000025 + 7650756 = 6245^2 + 2766^2 .

It is a cyclic number.

It is not a de Polignac number, because 46650781 - 2⁵ = 46650749 is a prime.

It is a super-2 number, since 2×46650781² = 4352590735819922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 46650781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46650701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23325390 + 23325391.

It is an arithmetic number, because the mean of its divisors is an integer number (23325391).

Almost surely, 2^46650781 is an apocalyptic number.

It is an amenable number.

46650781 is a deficient number, since it is larger than the sum of its proper divisors (1).

46650781 is an equidigital number, since it uses as much as digits as its factorization.

46650781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 46650781 is about 6830.1376999296. The cubic root of 46650781 is about 359.9865761455.

The spelling of 46650781 in words is "forty-six million, six hundred fifty thousand, seven hundred eighty-one".