1318253 has 8 divisors (see below), whose sum is σ = 1378080. Its totient is φ = 1259440.

The previous prime is 1318249. The next prime is 1318259. The reversal of 1318253 is 3528131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1318253 - 2² = 1318249 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318259) 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 7 ways as a sum of consecutive naturals, for example, 3626 + ... + 3972.

It is an arithmetic number, because the mean of its divisors is an integer number (172260).

2^1318253 is an apocalyptic number.

It is an amenable number.

1318253 is a deficient number, since it is larger than the sum of its proper divisors (59827).

1318253 is a wasteful number, since it uses less digits than its factorization.

1318253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507.

The product of its digits is 720, while the sum is 23.

The square root of 1318253 is about 1148.1519934225. The cubic root of 1318253 is about 109.6477159610.

The spelling of 1318253 in words is "one million, three hundred eighteen thousand, two hundred fifty-three".