452649 has 4 divisors (see below), whose sum is σ = 603536. Its totient is φ = 301764.

The previous prime is 452633. The next prime is 452671. The reversal of 452649 is 946254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 452649 - 2⁴ = 452633 is a prime.

It is a super-2 number, since 2×452649² = 409782234402, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (452629) 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, 75439 + ... + 75444.

It is an arithmetic number, because the mean of its divisors is an integer number (150884).

2⁴⁵²⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

452649 is a deficient number, since it is larger than the sum of its proper divisors (150887).

452649 is a wasteful number, since it uses less digits than its factorization.

452649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150886.

The product of its digits is 8640, while the sum is 30.

The square root of 452649 is about 672.7919440659. The cubic root of 452649 is about 76.7810160869.

The spelling of 452649 in words is "four hundred fifty-two thousand, six hundred forty-nine".