1448520431 has 2 divisors, whose sum is σ = 1448520432. Its totient is φ = 1448520430.

The previous prime is 1448520421. The next prime is 1448520517. The reversal of 1448520431 is 1340258441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1448520431 - 2²⁶ = 1381411567 is a prime.

It is a super-2 number, since 2×1448520431² = 4196422878048851522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448520421) 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 as a sum of consecutive naturals, namely, 724260215 + 724260216.

It is an arithmetic number, because the mean of its divisors is an integer number (724260216).

Almost surely, 2^1448520431 is an apocalyptic number.

1448520431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448520431 is an equidigital number, since it uses as much as digits as its factorization.

1448520431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 1448520431 is about 38059.4328780659. The cubic root of 1448520431 is about 1131.4660874880.

Adding to 1448520431 its reverse (1340258441), we get a palindrome (2788778872).

The spelling of 1448520431 in words is "one billion, four hundred forty-eight million, five hundred twenty thousand, four hundred thirty-one".