451613713 has 4 divisors (see below), whose sum is σ = 451682020. Its totient is φ = 451545408.

The previous prime is 451613711. The next prime is 451613719. The reversal of 451613713 is 317316154.

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

It can be written as a sum of positive squares in 2 ways, for example, as 173791489 + 277822224 = 13183^2 + 16668^2 .

It is a cyclic number.

It is not a de Polignac number, because 451613713 - 2¹ = 451613711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451613711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23028 + ... + 37861.

It is an arithmetic number, because the mean of its divisors is an integer number (112920505).

Almost surely, 2^451613713 is an apocalyptic number.

It is an amenable number.

451613713 is a deficient number, since it is larger than the sum of its proper divisors (68307).

451613713 is an equidigital number, since it uses as much as digits as its factorization.

451613713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68306.

The product of its digits is 7560, while the sum is 31.

The square root of 451613713 is about 21251.2049776007. The cubic root of 451613713 is about 767.2243422199.

Adding to 451613713 its reverse (317316154), we get a palindrome (768929867).

The spelling of 451613713 in words is "four hundred fifty-one million, six hundred thirteen thousand, seven hundred thirteen".