1308253 has 4 divisors (see below), whose sum is σ = 1321308. Its totient is φ = 1295200.

The previous prime is 1308247. The next prime is 1308287. The reversal of 1308253 is 3528031.

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 727609 + 580644 = 853^2 + 762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1308253 - 2⁵ = 1308221 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308353) 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, 6376 + ... + 6577.

It is an arithmetic number, because the mean of its divisors is an integer number (330327).

2^1308253 is an apocalyptic number.

It is an amenable number.

1308253 is a deficient number, since it is larger than the sum of its proper divisors (13055).

1308253 is a wasteful number, since it uses less digits than its factorization.

1308253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13054.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1308253 is about 1143.7888791206. The cubic root of 1308253 is about 109.3697568099.

The spelling of 1308253 in words is "one million, three hundred eight thousand, two hundred fifty-three".