452130737 has 4 divisors (see below), whose sum is σ = 452276580. Its totient is φ = 451984896.

The previous prime is 452130727. The next prime is 452130743. The reversal of 452130737 is 737031254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 737031254 = 2 ⋅368515627.

It can be written as a sum of positive squares in 2 ways, for example, as 313856656 + 138274081 = 17716^2 + 11759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452130737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452130727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68168 + ... + 74505.

It is an arithmetic number, because the mean of its divisors is an integer number (113069145).

Almost surely, 2^452130737 is an apocalyptic number.

It is an amenable number.

452130737 is a deficient number, since it is larger than the sum of its proper divisors (145843).

452130737 is a wasteful number, since it uses less digits than its factorization.

452130737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145842.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 452130737 is about 21263.3660787750. The cubic root of 452130737 is about 767.5170127831.

The spelling of 452130737 in words is "four hundred fifty-two million, one hundred thirty thousand, seven hundred thirty-seven".