1427556313 has 2 divisors, whose sum is σ = 1427556314. Its totient is φ = 1427556312.

The previous prime is 1427556287. The next prime is 1427556353. The reversal of 1427556313 is 3136557241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1361019664 + 66536649 = 36892^2 + 8157^2 .

It is an emirp because it is prime and its reverse (3136557241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1427556313 - 2²⁵ = 1394001881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427556353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713778156 + 713778157.

It is an arithmetic number, because the mean of its divisors is an integer number (713778157).

Almost surely, 2^1427556313 is an apocalyptic number.

It is an amenable number.

1427556313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427556313 is an equidigital number, since it uses as much as digits as its factorization.

1427556313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 1427556313 is about 37783.0161977574. The cubic root of 1427556313 is about 1125.9810538222.

The spelling of 1427556313 in words is "one billion, four hundred twenty-seven million, five hundred fifty-six thousand, three hundred thirteen".