102561337 has 2 divisors, whose sum is σ = 102561338. Its totient is φ = 102561336.

The previous prime is 102561317. The next prime is 102561367. The reversal of 102561337 is 733165201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101989801 + 571536 = 10099^2 + 756^2 .

It is an emirp because it is prime and its reverse (733165201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102561337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102561317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51280668 + 51280669.

It is an arithmetic number, because the mean of its divisors is an integer number (51280669).

Almost surely, 2^102561337 is an apocalyptic number.

It is an amenable number.

102561337 is a deficient number, since it is larger than the sum of its proper divisors (1).

102561337 is an equidigital number, since it uses as much as digits as its factorization.

102561337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 102561337 is about 10127.2571311288. The cubic root of 102561337 is about 468.0884134833.

The spelling of 102561337 in words is "one hundred two million, five hundred sixty-one thousand, three hundred thirty-seven".