1352891 has 4 divisors (see below), whose sum is σ = 1355712. Its totient is φ = 1350072.

The previous prime is 1352881. The next prime is 1352893. The reversal of 1352891 is 1982531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1982531 = 23 ⋅86197.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352893) 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 3 ways as a sum of consecutive naturals, for example, 491 + ... + 1716.

It is an arithmetic number, because the mean of its divisors is an integer number (338928).

2^1352891 is an apocalyptic number.

1352891 is a deficient number, since it is larger than the sum of its proper divisors (2821).

1352891 is an equidigital number, since it uses as much as digits as its factorization.

1352891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820.

The product of its digits is 2160, while the sum is 29.

The square root of 1352891 is about 1163.1384268435. The cubic root of 1352891 is about 110.5997815626.

The spelling of 1352891 in words is "one million, three hundred fifty-two thousand, eight hundred ninety-one".