102648551 has 2 divisors, whose sum is σ = 102648552. Its totient is φ = 102648550.

The previous prime is 102648547. The next prime is 102648577. The reversal of 102648551 is 155846201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102648551 - 2² = 102648547 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 (102648521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51324275 + 51324276.

It is an arithmetic number, because the mean of its divisors is an integer number (51324276).

Almost surely, 2^102648551 is an apocalyptic number.

102648551 is a deficient number, since it is larger than the sum of its proper divisors (1).

102648551 is an equidigital number, since it uses as much as digits as its factorization.

102648551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 102648551 is about 10131.5621204235. The cubic root of 102648551 is about 468.2210570243.

The spelling of 102648551 in words is "one hundred two million, six hundred forty-eight thousand, five hundred fifty-one".