46561513 has 2 divisors, whose sum is σ = 46561514. Its totient is φ = 46561512.

The previous prime is 46561511. The next prime is 46561519. The reversal of 46561513 is 31516564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29030544 + 17530969 = 5388^2 + 4187^2 .

It is a cyclic number.

It is not a de Polignac number, because 46561513 - 2¹ = 46561511 is a prime.

Together with 46561511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (46561511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23280756 + 23280757.

It is an arithmetic number, because the mean of its divisors is an integer number (23280757).

Almost surely, 2^46561513 is an apocalyptic number.

It is an amenable number.

46561513 is a deficient number, since it is larger than the sum of its proper divisors (1).

46561513 is an equidigital number, since it uses as much as digits as its factorization.

46561513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 46561513 is about 6823.5997098306. The cubic root of 46561513 is about 359.7568136410.

It can be divided in two parts, 46561 and 513, that added together give a palindrome (47074).

The spelling of 46561513 in words is "forty-six million, five hundred sixty-one thousand, five hundred thirteen".