452621 has 8 divisors (see below), whose sum is σ = 501144. Its totient is φ = 406080.

The previous prime is 452611. The next prime is 452629. The reversal of 452621 is 126254.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 98596 + 354025 = 314^2 + 595^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 452593 and 452602.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 11 + ... + 951.

It is an arithmetic number, because the mean of its divisors is an integer number (62643).

2⁴⁵²⁶²¹ is an apocalyptic number.

It is an amenable number.

452621 is a deficient number, since it is larger than the sum of its proper divisors (48523).

452621 is a wasteful number, since it uses less digits than its factorization.

452621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991.

The product of its digits is 480, while the sum is 20.

The square root of 452621 is about 672.7711349337. The cubic root of 452621 is about 76.7794328787.

Adding to 452621 its reverse (126254), we get a palindrome (578875).

It can be divided in two parts, 4 and 52621, that added together give a palindrome (52625).

The spelling of 452621 in words is "four hundred fifty-two thousand, six hundred twenty-one".