102444653 has 2 divisors, whose sum is σ = 102444654. Its totient is φ = 102444652.

The previous prime is 102444613. The next prime is 102444679. The reversal of 102444653 is 356444201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100260169 + 2184484 = 10013^2 + 1478^2 .

It is a cyclic number.

It is not a de Polignac number, because 102444653 - 2¹⁰ = 102443629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102444613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51222326 + 51222327.

It is an arithmetic number, because the mean of its divisors is an integer number (51222327).

Almost surely, 2^102444653 is an apocalyptic number.

It is an amenable number.

102444653 is a deficient number, since it is larger than the sum of its proper divisors (1).

102444653 is an equidigital number, since it uses as much as digits as its factorization.

102444653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 102444653 is about 10121.4946030712. The cubic root of 102444653 is about 467.9108314423.

Adding to 102444653 its reverse (356444201), we get a palindrome (458888854).

The spelling of 102444653 in words is "one hundred two million, four hundred forty-four thousand, six hundred fifty-three".