452985979 has 4 divisors (see below), whose sum is σ = 456292584. Its totient is φ = 449679376.

The previous prime is 452985971. The next prime is 452986019. The reversal of 452985979 is 979589254.

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

It is a cyclic number.

It is not a de Polignac number, because 452985979 - 2³ = 452985971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452985971) 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, 1653097 + ... + 1653370.

It is an arithmetic number, because the mean of its divisors is an integer number (114073146).

Almost surely, 2^452985979 is an apocalyptic number.

452985979 is a deficient number, since it is larger than the sum of its proper divisors (3306605).

452985979 is a wasteful number, since it uses less digits than its factorization.

452985979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306604.

The product of its digits is 8164800, while the sum is 58.

The square root of 452985979 is about 21283.4672692210. The cubic root of 452985979 is about 768.0006482154. Note that the first 3 decimals are identical.

The spelling of 452985979 in words is "four hundred fifty-two million, nine hundred eighty-five thousand, nine hundred seventy-nine".