1447570897 has 2 divisors, whose sum is σ = 1447570898. Its totient is φ = 1447570896.

The previous prime is 1447570871. The next prime is 1447570913. The reversal of 1447570897 is 7980757441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1431562896 + 16008001 = 37836^2 + 4001^2 .

It is an emirp because it is prime and its reverse (7980757441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1447570897 - 2⁷ = 1447570769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1447570847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723785448 + 723785449.

It is an arithmetic number, because the mean of its divisors is an integer number (723785449).

Almost surely, 2^1447570897 is an apocalyptic number.

It is an amenable number.

1447570897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447570897 is an equidigital number, since it uses as much as digits as its factorization.

1447570897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The square root of 1447570897 is about 38046.9564748614. The cubic root of 1447570897 is about 1131.2188005925.

The spelling of 1447570897 in words is "one billion, four hundred forty-seven million, five hundred seventy thousand, eight hundred ninety-seven".