47513369 has 2 divisors, whose sum is σ = 47513370. Its totient is φ = 47513368.

The previous prime is 47513353. The next prime is 47513393. The reversal of 47513369 is 96331574.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46854025 + 659344 = 6845^2 + 812^2 .

It is a cyclic number.

It is not a de Polignac number, because 47513369 - 2⁴ = 47513353 is a prime.

It is a super-2 number, since 2×47513369² = 4515040467460322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47513309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23756684 + 23756685.

It is an arithmetic number, because the mean of its divisors is an integer number (23756685).

Almost surely, 2^47513369 is an apocalyptic number.

It is an amenable number.

47513369 is a deficient number, since it is larger than the sum of its proper divisors (1).

47513369 is an equidigital number, since it uses as much as digits as its factorization.

47513369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 47513369 is about 6892.9941970090. The cubic root of 47513369 is about 362.1917957423.

The spelling of 47513369 in words is "forty-seven million, five hundred thirteen thousand, three hundred sixty-nine".