102303253 has 4 divisors (see below), whose sum is σ = 110172748. Its totient is φ = 94433760.

The previous prime is 102303247. The next prime is 102303301. The reversal of 102303253 is 352303201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38415204 + 63888049 = 6198^2 + 7993^2 .

It is a cyclic number.

It is not a de Polignac number, because 102303253 - 2⁵ = 102303221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102303253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102303053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3934728 + ... + 3934753.

It is an arithmetic number, because the mean of its divisors is an integer number (27543187).

Almost surely, 2^102303253 is an apocalyptic number.

102303253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

102303253 is a deficient number, since it is larger than the sum of its proper divisors (7869495).

102303253 is an equidigital number, since it uses as much as digits as its factorization.

102303253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869494.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 102303253 is about 10114.5070566983. The cubic root of 102303253 is about 467.6954531756.

Adding to 102303253 its reverse (352303201), we get a palindrome (454606454).

The spelling of 102303253 in words is "one hundred two million, three hundred three thousand, two hundred fifty-three".