451551323325 has 24 divisors (see below), whose sum is σ = 747771013600. Its totient is φ = 240438288960.

The previous prime is 451551323203. The next prime is 451551323329. The reversal of 451551323325 is 523323155154.

It is not a de Polignac number, because 451551323325 - 2¹² = 451551319229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451551323329) 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 23 ways as a sum of consecutive naturals, for example, 4816810 + ... + 4909659.

Almost surely, 2^451551323325 is an apocalyptic number.

It is an amenable number.

451551323325 is a deficient number, since it is larger than the sum of its proper divisors (296219690275).

451551323325 is a wasteful number, since it uses less digits than its factorization.

451551323325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9727101 (or 9727096 counting only the distinct ones).

The product of its digits is 270000, while the sum is 39.

Adding to 451551323325 its reverse (523323155154), we get a palindrome (974874478479).

The spelling of 451551323325 in words is "four hundred fifty-one billion, five hundred fifty-one million, three hundred twenty-three thousand, three hundred twenty-five".