1348557401 has 4 divisors (see below), whose sum is σ = 1348812852. Its totient is φ = 1348301952.

The previous prime is 1348557373. The next prime is 1348557407. The reversal of 1348557401 is 1047558431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1047558431 = 1973 ⋅530947.

It can be written as a sum of positive squares in 2 ways, for example, as 973128025 + 375429376 = 31195^2 + 19376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1348557401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348557407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119636 + ... + 130421.

It is an arithmetic number, because the mean of its divisors is an integer number (337203213).

Almost surely, 2^1348557401 is an apocalyptic number.

It is an amenable number.

1348557401 is a deficient number, since it is larger than the sum of its proper divisors (255451).

1348557401 is an equidigital number, since it uses as much as digits as its factorization.

1348557401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255450.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 1348557401 is about 36722.7096086332. The cubic root of 1348557401 is about 1104.8156366796.

The spelling of 1348557401 in words is "one billion, three hundred forty-eight million, five hundred fifty-seven thousand, four hundred one".