1451132651 has 4 divisors (see below), whose sum is σ = 1451209704. Its totient is φ = 1451055600.

The previous prime is 1451132647. The next prime is 1451132659. The reversal of 1451132651 is 1562311541.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1451132651 - 2² = 1451132647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1451132659) 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, 10631 + ... + 54911.

It is an arithmetic number, because the mean of its divisors is an integer number (362802426).

Almost surely, 2^1451132651 is an apocalyptic number.

1451132651 is a deficient number, since it is larger than the sum of its proper divisors (77053).

1451132651 is an equidigital number, since it uses as much as digits as its factorization.

1451132651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77052.

The product of its digits is 3600, while the sum is 29.

The square root of 1451132651 is about 38093.7350623433. The cubic root of 1451132651 is about 1132.1458301536.

The spelling of 1451132651 in words is "one billion, four hundred fifty-one million, one hundred thirty-two thousand, six hundred fifty-one".