1452161 has 4 divisors (see below), whose sum is σ = 1455552. Its totient is φ = 1448772.

The previous prime is 1452149. The next prime is 1452169. The reversal of 1452161 is 1612541.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452161 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1452169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941 + ... + 1946.

It is an arithmetic number, because the mean of its divisors is an integer number (363888).

2^1452161 is an apocalyptic number.

It is an amenable number.

1452161 is a deficient number, since it is larger than the sum of its proper divisors (3391).

1452161 is an equidigital number, since it uses as much as digits as its factorization.

1452161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390.

The product of its digits is 240, while the sum is 20.

The square root of 1452161 is about 1205.0564302140. The cubic root of 1452161 is about 113.2413199721.

The spelling of 1452161 in words is "one million, four hundred fifty-two thousand, one hundred sixty-one".