1371725713 has 2 divisors, whose sum is σ = 1371725714. Its totient is φ = 1371725712.

The previous prime is 1371725711. The next prime is 1371725731. The reversal of 1371725713 is 3175271731.

Together with next prime (1371725731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1221712209 + 150013504 = 34953^2 + 12248^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371725713 - 2¹ = 1371725711 is a prime.

Together with 1371725711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1371725711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685862856 + 685862857.

It is an arithmetic number, because the mean of its divisors is an integer number (685862857).

Almost surely, 2^1371725713 is an apocalyptic number.

It is an amenable number.

1371725713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371725713 is an equidigital number, since it uses as much as digits as its factorization.

1371725713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30870, while the sum is 37.

The square root of 1371725713 is about 37036.8156433568. The cubic root of 1371725713 is about 1111.1066832331.

The spelling of 1371725713 in words is "one billion, three hundred seventy-one million, seven hundred twenty-five thousand, seven hundred thirteen".