102285551 has 2 divisors, whose sum is σ = 102285552. Its totient is φ = 102285550.

The previous prime is 102285541. The next prime is 102285563. The reversal of 102285551 is 155582201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102285551 - 2¹⁰ = 102284527 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 (102285541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51142775 + 51142776.

It is an arithmetic number, because the mean of its divisors is an integer number (51142776).

Almost surely, 2^102285551 is an apocalyptic number.

102285551 is a deficient number, since it is larger than the sum of its proper divisors (1).

102285551 is an equidigital number, since it uses as much as digits as its factorization.

102285551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 102285551 is about 10113.6319391206. The cubic root of 102285551 is about 467.6684757914.

The spelling of 102285551 in words is "one hundred two million, two hundred eighty-five thousand, five hundred fifty-one".