452387647 has 4 divisors (see below), whose sum is σ = 458759376. Its totient is φ = 446015920.

The previous prime is 452387627. The next prime is 452387653. The reversal of 452387647 is 746783254.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452387647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 452387597 and 452387606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452387627) 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, 3185758 + ... + 3185899.

It is an arithmetic number, because the mean of its divisors is an integer number (114689844).

Almost surely, 2^452387647 is an apocalyptic number.

452387647 is a deficient number, since it is larger than the sum of its proper divisors (6371729).

452387647 is an equidigital number, since it uses as much as digits as its factorization.

452387647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371728.

The product of its digits is 1128960, while the sum is 46.

The square root of 452387647 is about 21269.4063621907. The cubic root of 452387647 is about 767.6623582504.

The spelling of 452387647 in words is "four hundred fifty-two million, three hundred eighty-seven thousand, six hundred forty-seven".