452782171 has 4 divisors (see below), whose sum is σ = 454382392. Its totient is φ = 451181952.

The previous prime is 452782093. The next prime is 452782177. The reversal of 452782171 is 171287254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171287254 = 2 ⋅85643627.

It is a cyclic number.

It is not a de Polignac number, because 452782171 - 2¹⁵ = 452749403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 452782171.

It is not an unprimeable number, because it can be changed into a prime (452782177) 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, 799686 + ... + 800251.

It is an arithmetic number, because the mean of its divisors is an integer number (113595598).

Almost surely, 2^452782171 is an apocalyptic number.

452782171 is a deficient number, since it is larger than the sum of its proper divisors (1600221).

452782171 is a wasteful number, since it uses less digits than its factorization.

452782171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600220.

The product of its digits is 31360, while the sum is 37.

The square root of 452782171 is about 21278.6787888722. The cubic root of 452782171 is about 767.8854510100.

The spelling of 452782171 in words is "four hundred fifty-two million, seven hundred eighty-two thousand, one hundred seventy-one".