453391 has 4 divisors (see below), whose sum is σ = 456984. Its totient is φ = 449800.

The previous prime is 453379. The next prime is 453421. The reversal of 453391 is 193354.

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

It is a cyclic number.

It is not a de Polignac number, because 453391 - 2¹¹ = 451343 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453301) 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, 1600 + ... + 1861.

It is an arithmetic number, because the mean of its divisors is an integer number (114246).

2⁴⁵³³⁹¹ is an apocalyptic number.

453391 is a deficient number, since it is larger than the sum of its proper divisors (3593).

453391 is a wasteful number, since it uses less digits than its factorization.

453391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592.

The product of its digits is 1620, while the sum is 25.

The square root of 453391 is about 673.3431517436. The cubic root of 453391 is about 76.8229473348.

It can be divided in two parts, 4533 and 91, that added together give a square (4624 = 68²).

The spelling of 453391 in words is "four hundred fifty-three thousand, three hundred ninety-one".