102664501 has 2 divisors, whose sum is σ = 102664502. Its totient is φ = 102664500.

The previous prime is 102664477. The next prime is 102664519. The reversal of 102664501 is 105466201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96059601 + 6604900 = 9801^2 + 2570^2 .

It is a cyclic number.

It is not a de Polignac number, because 102664501 - 2⁵ = 102664469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102664531) 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, 51332250 + 51332251.

It is an arithmetic number, because the mean of its divisors is an integer number (51332251).

Almost surely, 2^102664501 is an apocalyptic number.

It is an amenable number.

102664501 is a deficient number, since it is larger than the sum of its proper divisors (1).

102664501 is an equidigital number, since it uses as much as digits as its factorization.

102664501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 102664501 is about 10132.3492340128. The cubic root of 102664501 is about 468.2453072093.

The spelling of 102664501 in words is "one hundred two million, six hundred sixty-four thousand, five hundred one".