46513661 has 2 divisors, whose sum is σ = 46513662. Its totient is φ = 46513660.

The previous prime is 46513633. The next prime is 46513669. The reversal of 46513661 is 16631564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43309561 + 3204100 = 6581^2 + 1790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46513661 is a prime.

It is a Sophie Germain 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 (46513669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23256830 + 23256831.

It is an arithmetic number, because the mean of its divisors is an integer number (23256831).

Almost surely, 2^46513661 is an apocalyptic number.

It is an amenable number.

46513661 is a deficient number, since it is larger than the sum of its proper divisors (1).

46513661 is an equidigital number, since it uses as much as digits as its factorization.

46513661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 46513661 is about 6820.0924480538. The cubic root of 46513661 is about 359.6335288169.

It can be divided in two parts, 46513 and 661, that added together give a palindrome (47174).

The spelling of 46513661 in words is "forty-six million, five hundred thirteen thousand, six hundred sixty-one".