102325281 has 16 divisors (see below), whose sum is σ = 138873408. Its totient is φ = 67003200.

The previous prime is 102325259. The next prime is 102325309. The reversal of 102325281 is 182523201.

It is not a de Polignac number, because 102325281 - 2¹¹ = 102323233 is a prime.

It is a super-2 number, since 2×102325281² = 20940926263457922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102325231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108271 + ... + 109211.

It is an arithmetic number, because the mean of its divisors is an integer number (8679588).

Almost surely, 2^102325281 is an apocalyptic number.

It is an amenable number.

102325281 is a deficient number, since it is larger than the sum of its proper divisors (36548127).

102325281 is an equidigital number, since it uses as much as digits as its factorization.

102325281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 102325281 is about 10115.5959290592. The cubic root of 102325281 is about 467.7290189251.

Adding to 102325281 its reverse (182523201), we get a palindrome (284848482).

The spelling of 102325281 in words is "one hundred two million, three hundred twenty-five thousand, two hundred eighty-one".