1448313571 has 4 divisors (see below), whose sum is σ = 1449216432. Its totient is φ = 1447410712.

The previous prime is 1448313511. The next prime is 1448313577. The reversal of 1448313571 is 1753138441.

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 1448313571 - 2¹¹ = 1448311523 is a prime.

It is a super-2 number, since 2×1448313571² = 4195224399885544082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1448313571.

It is not an unprimeable number, because it can be changed into a prime (1448313577) 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, 449020 + ... + 452233.

It is an arithmetic number, because the mean of its divisors is an integer number (362304108).

Almost surely, 2^1448313571 is an apocalyptic number.

1448313571 is a deficient number, since it is larger than the sum of its proper divisors (902861).

1448313571 is an equidigital number, since it uses as much as digits as its factorization.

1448313571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902860.

The product of its digits is 40320, while the sum is 37.

The square root of 1448313571 is about 38056.7151893066. The cubic root of 1448313571 is about 1131.4122242005.

The spelling of 1448313571 in words is "one billion, four hundred forty-eight million, three hundred thirteen thousand, five hundred seventy-one".