102985273 has 2 divisors, whose sum is σ = 102985274. Its totient is φ = 102985272.

The previous prime is 102985247. The next prime is 102985327. The reversal of 102985273 is 372589201.

Together with next prime (102985327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92409769 + 10575504 = 9613^2 + 3252^2 .

It is a cyclic number.

It is not a de Polignac number, because 102985273 - 2²¹ = 100888121 is a prime.

It is not a weakly prime, because it can be changed into another prime (102985213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51492636 + 51492637.

It is an arithmetic number, because the mean of its divisors is an integer number (51492637).

Almost surely, 2^102985273 is an apocalyptic number.

It is an amenable number.

102985273 is a deficient number, since it is larger than the sum of its proper divisors (1).

102985273 is an equidigital number, since it uses as much as digits as its factorization.

102985273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 102985273 is about 10148.1659919416. The cubic root of 102985273 is about 468.7324727550.

The spelling of 102985273 in words is "one hundred two million, nine hundred eighty-five thousand, two hundred seventy-three".