102628349 has 2 divisors, whose sum is σ = 102628350. Its totient is φ = 102628348.

The previous prime is 102628333. The next prime is 102628363. The reversal of 102628349 is 943826201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102616900 + 11449 = 10130^2 + 107^2 .

It is an emirp because it is prime and its reverse (943826201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102628349 - 2⁴ = 102628333 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102625349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51314174 + 51314175.

It is an arithmetic number, because the mean of its divisors is an integer number (51314175).

Almost surely, 2^102628349 is an apocalyptic number.

It is an amenable number.

102628349 is a deficient number, since it is larger than the sum of its proper divisors (1).

102628349 is an equidigital number, since it uses as much as digits as its factorization.

102628349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 102628349 is about 10130.5650878912. The cubic root of 102628349 is about 468.1903385442.

The spelling of 102628349 in words is "one hundred two million, six hundred twenty-eight thousand, three hundred forty-nine".