1968253 has 8 divisors (see below), whose sum is σ = 2259072. Its totient is φ = 1679856.

The previous prime is 1968251. The next prime is 1968257. The reversal of 1968253 is 3528691.

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 1968253 - 2¹ = 1968251 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968251) 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, 1776 + ... + 2662.

It is an arithmetic number, because the mean of its divisors is an integer number (282384).

2^1968253 is an apocalyptic number.

It is an amenable number.

1968253 is a deficient number, since it is larger than the sum of its proper divisors (290819).

1968253 is an equidigital number, since it uses as much as digits as its factorization.

1968253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211.

The product of its digits is 12960, while the sum is 34.

The square root of 1968253 is about 1402.9444037452. The cubic root of 1968253 is about 125.3219009931.

The spelling of 1968253 in words is "one million, nine hundred sixty-eight thousand, two hundred fifty-three".