102244993 has 2 divisors, whose sum is σ = 102244994. Its totient is φ = 102244992.

The previous prime is 102244991. The next prime is 102245009. The reversal of 102244993 is 399442201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87011584 + 15233409 = 9328^2 + 3903^2 .

It is a cyclic number.

It is not a de Polignac number, because 102244993 - 2¹ = 102244991 is a prime.

Together with 102244991, it forms a pair of twin primes.

It is a plaindrome in base 9.

It is not a weakly prime, because it can be changed into another prime (102244991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51122496 + 51122497.

It is an arithmetic number, because the mean of its divisors is an integer number (51122497).

Almost surely, 2^102244993 is an apocalyptic number.

It is an amenable number.

102244993 is a deficient number, since it is larger than the sum of its proper divisors (1).

102244993 is an equidigital number, since it uses as much as digits as its factorization.

102244993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 102244993 is about 10111.6266248314. The cubic root of 102244993 is about 467.6066547247.

The spelling of 102244993 in words is "one hundred two million, two hundred forty-four thousand, nine hundred ninety-three".