47628569 has 2 divisors, whose sum is σ = 47628570. Its totient is φ = 47628568.

The previous prime is 47628541. The next prime is 47628599. The reversal of 47628569 is 96582674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37356544 + 10272025 = 6112^2 + 3205^2 .

It is a cyclic number.

It is not a de Polignac number, because 47628569 - 2²⁰ = 46579993 is a prime.

It is a super-2 number, since 2×47628569² = 4536961169975522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47628599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23814284 + 23814285.

It is an arithmetic number, because the mean of its divisors is an integer number (23814285).

Almost surely, 2^47628569 is an apocalyptic number.

It is an amenable number.

47628569 is a deficient number, since it is larger than the sum of its proper divisors (1).

47628569 is an equidigital number, since it uses as much as digits as its factorization.

47628569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 47628569 is about 6901.3454485339. The cubic root of 47628569 is about 362.4842805708.

It can be divided in two parts, 4762 and 8569, that added together give a palindrome (13331).

The spelling of 47628569 in words is "forty-seven million, six hundred twenty-eight thousand, five hundred sixty-nine".