102616247 has 2 divisors, whose sum is σ = 102616248. Its totient is φ = 102616246.

The previous prime is 102616243. The next prime is 102616259. The reversal of 102616247 is 742616201.

It is a weak prime.

It is an emirp because it is prime and its reverse (742616201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102616247 - 2² = 102616243 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 (102616243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51308123 + 51308124.

It is an arithmetic number, because the mean of its divisors is an integer number (51308124).

Almost surely, 2^102616247 is an apocalyptic number.

102616247 is a deficient number, since it is larger than the sum of its proper divisors (1).

102616247 is an equidigital number, since it uses as much as digits as its factorization.

102616247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 102616247 is about 10129.9677689517. The cubic root of 102616247 is about 468.1719347202.

The spelling of 102616247 in words is "one hundred two million, six hundred sixteen thousand, two hundred forty-seven".