1348263481 has 2 divisors, whose sum is σ = 1348263482. Its totient is φ = 1348263480.

The previous prime is 1348263437. The next prime is 1348263509. The reversal of 1348263481 is 1843628431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1206867600 + 141395881 = 34740^2 + 11891^2 .

It is an emirp because it is prime and its reverse (1843628431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1348263481 - 2¹³ = 1348255289 is a prime.

It is a super-2 number, since 2×1348263481² = 3635628828396474722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1348263781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674131740 + 674131741.

It is an arithmetic number, because the mean of its divisors is an integer number (674131741).

Almost surely, 2^1348263481 is an apocalyptic number.

It is an amenable number.

1348263481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348263481 is an equidigital number, since it uses as much as digits as its factorization.

1348263481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 1348263481 is about 36718.7075072095. The cubic root of 1348263481 is about 1104.7353654687.

The spelling of 1348263481 in words is "one billion, three hundred forty-eight million, two hundred sixty-three thousand, four hundred eighty-one".