452446081 has 4 divisors (see below), whose sum is σ = 468047700. Its totient is φ = 436844464.

The previous prime is 452446079. The next prime is 452446091. The reversal of 452446081 is 180644254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 202806081 + 249640000 = 14241^2 + 15800^2 .

It is a cyclic number.

It is not a de Polignac number, because 452446081 - 2¹ = 452446079 is a prime.

It is a super-2 number, since 2×452446081² = 409414912424517122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452446021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7800766 + ... + 7800823.

It is an arithmetic number, because the mean of its divisors is an integer number (117011925).

Almost surely, 2^452446081 is an apocalyptic number.

It is an amenable number.

452446081 is a deficient number, since it is larger than the sum of its proper divisors (15601619).

452446081 is a wasteful number, since it uses less digits than its factorization.

452446081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15601618.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 452446081 is about 21270.7799809974. The cubic root of 452446081 is about 767.6954092936.

It can be divided in two parts, 4524 and 46081, that added together give a palindrome (50605).

The spelling of 452446081 in words is "four hundred fifty-two million, four hundred forty-six thousand, eighty-one".