2163453 has 8 divisors (see below), whose sum is σ = 2891616. Its totient is φ = 1438800.

The previous prime is 2163443. The next prime is 2163461. The reversal of 2163453 is 3543612.

It is a happy number.

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

It is not a de Polignac number, because 2163453 - 2¹⁶ = 2097917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438 + ... + 2528.

It is an arithmetic number, because the mean of its divisors is an integer number (361452).

2^2163453 is an apocalyptic number.

It is an amenable number.

2163453 is a deficient number, since it is larger than the sum of its proper divisors (728163).

2163453 is a wasteful number, since it uses less digits than its factorization.

2163453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755.

The product of its digits is 2160, while the sum is 24.

The square root of 2163453 is about 1470.8681110147. The cubic root of 2163453 is about 129.3349267939.

The spelling of 2163453 in words is "two million, one hundred sixty-three thousand, four hundred fifty-three".