102312253 has 2 divisors, whose sum is σ = 102312254. Its totient is φ = 102312252.

The previous prime is 102312251. The next prime is 102312281. The reversal of 102312253 is 352213201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79530724 + 22781529 = 8918^2 + 4773^2 .

It is a cyclic number.

It is not a de Polignac number, because 102312253 - 2¹ = 102312251 is a prime.

It is a super-2 number, since 2×102312253² = 20935594227872018, which contains 22 as substring.

Together with 102312251, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102312253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102312251) 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, 51156126 + 51156127.

It is an arithmetic number, because the mean of its divisors is an integer number (51156127).

Almost surely, 2^102312253 is an apocalyptic number.

It is an amenable number.

102312253 is a deficient number, since it is larger than the sum of its proper divisors (1).

102312253 is an equidigital number, since it uses as much as digits as its factorization.

102312253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 102312253 is about 10114.9519524316. The cubic root of 102312253 is about 467.7091677465.

Adding to 102312253 its reverse (352213201), we get a palindrome (454525454).

The spelling of 102312253 in words is "one hundred two million, three hundred twelve thousand, two hundred fifty-three".