452109 has 8 divisors (see below), whose sum is σ = 688960. Its totient is φ = 258336.

The previous prime is 452087. The next prime is 452131. The reversal of 452109 is 901254.

It is an interprime number because it is at equal distance from previous prime (452087) and next prime (452131).

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

It is not a de Polignac number, because 452109 - 2⁵ = 452077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 21529 = 452109 / (4 + 5 + 2 + 1 + 0 + 9).

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon 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 (452159) 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, 10744 + ... + 10785.

It is an arithmetic number, because the mean of its divisors is an integer number (86120).

2⁴⁵²¹⁰⁹ is an apocalyptic number.

It is an amenable number.

452109 is a deficient number, since it is larger than the sum of its proper divisors (236851).

452109 is a wasteful number, since it uses less digits than its factorization.

452109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21539.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 452109 is about 672.3905115333. The cubic root of 452109 is about 76.7504712665.

It can be divided in two parts, 452 and 109, that added together give a triangular number (561 = T₃₃).

The spelling of 452109 in words is "four hundred fifty-two thousand, one hundred nine".