1725336913 has 2 divisors, whose sum is σ = 1725336914. Its totient is φ = 1725336912.

The previous prime is 1725336869. The next prime is 1725336923. The reversal of 1725336913 is 3196335271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1724574784 + 762129 = 41528^2 + 873^2 .

It is an emirp because it is prime and its reverse (3196335271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1725336913 - 2¹³ = 1725328721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1725336923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862668456 + 862668457.

It is an arithmetic number, because the mean of its divisors is an integer number (862668457).

Almost surely, 2^1725336913 is an apocalyptic number.

It is an amenable number.

1725336913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1725336913 is an equidigital number, since it uses as much as digits as its factorization.

1725336913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 40.

The square root of 1725336913 is about 41537.1750724577. The cubic root of 1725336913 is about 1199.3832277235.

The spelling of 1725336913 in words is "one billion, seven hundred twenty-five million, three hundred thirty-six thousand, nine hundred thirteen".