1452621 has 4 divisors (see below), whose sum is σ = 1936832. Its totient is φ = 968412.

The previous prime is 1452613. The next prime is 1452631. The reversal of 1452621 is 1262541.

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 1452621 - 2³ = 1452613 is a prime.

It is a super-2 number, since 2×1452621² = 4220215539282, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452631) 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, 242101 + ... + 242106.

It is an arithmetic number, because the mean of its divisors is an integer number (484208).

2^1452621 is an apocalyptic number.

It is an amenable number.

1452621 is a deficient number, since it is larger than the sum of its proper divisors (484211).

1452621 is an equidigital number, since it uses as much as digits as its factorization.

1452621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484210.

The product of its digits is 480, while the sum is 21.

The square root of 1452621 is about 1205.2472775327. The cubic root of 1452621 is about 113.2532758337.

The spelling of 1452621 in words is "one million, four hundred fifty-two thousand, six hundred twenty-one".