47697613 has 2 divisors, whose sum is σ = 47697614. Its totient is φ = 47697612.

The previous prime is 47697589. The next prime is 47697641. The reversal of 47697613 is 31679674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39980329 + 7717284 = 6323^2 + 2778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47697613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47697613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47697673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23848806 + 23848807.

It is an arithmetic number, because the mean of its divisors is an integer number (23848807).

Almost surely, 2^47697613 is an apocalyptic number.

It is an amenable number.

47697613 is a deficient number, since it is larger than the sum of its proper divisors (1).

47697613 is an equidigital number, since it uses as much as digits as its factorization.

47697613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 47697613 is about 6906.3458500136. The cubic root of 47697613 is about 362.6593525316.

It can be divided in two parts, 476 and 97613, that added together give a palindrome (98089).

The spelling of 47697613 in words is "forty-seven million, six hundred ninety-seven thousand, six hundred thirteen".