1447254997 has 4 divisors (see below), whose sum is σ = 1447352620. Its totient is φ = 1447157376.

The previous prime is 1447254979. The next prime is 1447255027. The reversal of 1447254997 is 7994527441.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7994527441 = 12853 ⋅621997.

It can be written as a sum of positive squares in 2 ways, for example, as 1296432036 + 150822961 = 36006^2 + 12281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1447254997 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 (1447254797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21468 + ... + 57925.

It is an arithmetic number, because the mean of its divisors is an integer number (361838155).

Almost surely, 2^1447254997 is an apocalyptic number.

It is an amenable number.

1447254997 is a deficient number, since it is larger than the sum of its proper divisors (97623).

1447254997 is an equidigital number, since it uses as much as digits as its factorization.

1447254997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97622.

The product of its digits is 2540160, while the sum is 52.

The square root of 1447254997 is about 38042.8047993310. The cubic root of 1447254997 is about 1131.1365068645.

The spelling of 1447254997 in words is "one billion, four hundred forty-seven million, two hundred fifty-four thousand, nine hundred ninety-seven".