1451316047 has 4 divisors (see below), whose sum is σ = 1451658096. Its totient is φ = 1450974000.

The previous prime is 1451316029. The next prime is 1451316059. The reversal of 1451316047 is 7406131541.

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 1451316047 - 2¹² = 1451311951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451306047) 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, 164579 + ... + 173172.

It is an arithmetic number, because the mean of its divisors is an integer number (362914524).

Almost surely, 2^1451316047 is an apocalyptic number.

1451316047 is a deficient number, since it is larger than the sum of its proper divisors (342049).

1451316047 is an equidigital number, since it uses as much as digits as its factorization.

1451316047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342048.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1451316047 is about 38096.1421537667. The cubic root of 1451316047 is about 1132.1935221571.

Adding to 1451316047 its reverse (7406131541), we get a palindrome (8857447588).

The spelling of 1451316047 in words is "one billion, four hundred fifty-one million, three hundred sixteen thousand, forty-seven".