1348881757 has 2 divisors, whose sum is σ = 1348881758. Its totient is φ = 1348881756.

The previous prime is 1348881707. The next prime is 1348881769. The reversal of 1348881757 is 7571888431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113289956 + 235591801 = 33366^2 + 15349^2 .

It is a cyclic number.

It is not a de Polignac number, because 1348881757 - 2¹⁵ = 1348848989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1348881707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674440878 + 674440879.

It is an arithmetic number, because the mean of its divisors is an integer number (674440879).

Almost surely, 2^1348881757 is an apocalyptic number.

It is an amenable number.

1348881757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348881757 is an equidigital number, since it uses as much as digits as its factorization.

1348881757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1505280, while the sum is 52.

The square root of 1348881757 is about 36727.1256294309. The cubic root of 1348881757 is about 1104.9042065972.

The spelling of 1348881757 in words is "one billion, three hundred forty-eight million, eight hundred eighty-one thousand, seven hundred fifty-seven".