451272347 has 4 divisors (see below), whose sum is σ = 451388976. Its totient is φ = 451155720.

The previous prime is 451272331. The next prime is 451272373. The reversal of 451272347 is 743272154.

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

It is a cyclic number.

It is not a de Polignac number, because 451272347 - 2⁴ = 451272331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451272307) 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, 52304 + ... + 60317.

It is an arithmetic number, because the mean of its divisors is an integer number (112847244).

Almost surely, 2^451272347 is an apocalyptic number.

451272347 is a deficient number, since it is larger than the sum of its proper divisors (116629).

451272347 is a wasteful number, since it uses less digits than its factorization.

451272347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116628.

The product of its digits is 47040, while the sum is 35.

The square root of 451272347 is about 21243.1717735370. The cubic root of 451272347 is about 767.0309835195.

It can be divided in two parts, 45127 and 2347, that added together give a palindrome (47474).

The spelling of 451272347 in words is "four hundred fifty-one million, two hundred seventy-two thousand, three hundred forty-seven".