1452661 has 4 divisors (see below), whose sum is σ = 1660192. Its totient is φ = 1245132.

The previous prime is 1452653. The next prime is 1452709. The reversal of 1452661 is 1662541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1662541 = 29 ⋅57329.

It is not a de Polignac number, because 1452661 - 2³ = 1452653 is a prime.

It is a super-2 number, since 2×1452661² = 4220447961842, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 1452661 parts by 1704 straight cuts.

It is a Duffinian number.

1452661 is a lucky 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103755 + ... + 103768.

It is an arithmetic number, because the mean of its divisors is an integer number (415048).

2^1452661 is an apocalyptic number.

It is an amenable number.

1452661 is a deficient number, since it is larger than the sum of its proper divisors (207531).

1452661 is an equidigital number, since it uses as much as digits as its factorization.

1452661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207530.

The product of its digits is 1440, while the sum is 25.

The square root of 1452661 is about 1205.2638715236. The cubic root of 1452661 is about 113.2543153545.

The spelling of 1452661 in words is "one million, four hundred fifty-two thousand, six hundred sixty-one".