102814493 has 2 divisors, whose sum is σ = 102814494. Its totient is φ = 102814492.

The previous prime is 102814469. The next prime is 102814499. The reversal of 102814493 is 394418201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97259044 + 5555449 = 9862^2 + 2357^2 .

It is an emirp because it is prime and its reverse (394418201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102814493 - 2⁸ = 102814237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102814499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51407246 + 51407247.

It is an arithmetic number, because the mean of its divisors is an integer number (51407247).

Almost surely, 2^102814493 is an apocalyptic number.

It is an amenable number.

102814493 is a deficient number, since it is larger than the sum of its proper divisors (1).

102814493 is an equidigital number, since it uses as much as digits as its factorization.

102814493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 102814493 is about 10139.7481724153. The cubic root of 102814493 is about 468.4732304411.

The spelling of 102814493 in words is "one hundred two million, eight hundred fourteen thousand, four hundred ninety-three".