452072091 has 4 divisors (see below), whose sum is σ = 602762792. Its totient is φ = 301381392.

The previous prime is 452072083. The next prime is 452072119. The reversal of 452072091 is 190270254.

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

It is not a de Polignac number, because 452072091 - 2³ = 452072083 is a prime.

It is a super-2 number, since 2×452072091² = 408738350922224562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452072791) 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, 75345346 + ... + 75345351.

It is an arithmetic number, because the mean of its divisors is an integer number (150690698).

Almost surely, 2^452072091 is an apocalyptic number.

452072091 is a deficient number, since it is larger than the sum of its proper divisors (150690701).

452072091 is a wasteful number, since it uses less digits than its factorization.

452072091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150690700.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 452072091 is about 21261.9869955750. The cubic root of 452072091 is about 767.4838264018.

The spelling of 452072091 in words is "four hundred fifty-two million, seventy-two thousand, ninety-one".