102998617 has 2 divisors, whose sum is σ = 102998618. Its totient is φ = 102998616.

The previous prime is 102998587. The next prime is 102998627. The reversal of 102998617 is 716899201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98982601 + 4016016 = 9949^2 + 2004^2 .

It is a cyclic number.

It is not a de Polignac number, because 102998617 - 2¹⁹ = 102474329 is a prime.

It is a super-3 number, since 3×102998617³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (102998627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51499308 + 51499309.

It is an arithmetic number, because the mean of its divisors is an integer number (51499309).

Almost surely, 2^102998617 is an apocalyptic number.

It is an amenable number.

102998617 is a deficient number, since it is larger than the sum of its proper divisors (1).

102998617 is an equidigital number, since it uses as much as digits as its factorization.

102998617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 102998617 is about 10148.8234293439. The cubic root of 102998617 is about 468.7527167368.

It can be divided in two parts, 10299861 and 7, that multiplied together give a palindrome (72099027).

The spelling of 102998617 in words is "one hundred two million, nine hundred ninety-eight thousand, six hundred seventeen".