1725013 has 2 divisors, whose sum is σ = 1725014. Its totient is φ = 1725012.

The previous prime is 1725011. The next prime is 1725071. The reversal of 1725013 is 3105271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1656369 + 68644 = 1287^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 1725013 - 2¹ = 1725011 is a prime.

Together with 1725011, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1725011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862506 + 862507.

It is an arithmetic number, because the mean of its divisors is an integer number (862507).

2^1725013 is an apocalyptic number.

It is an amenable number.

1725013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1725013 is an equidigital number, since it uses as much as digits as its factorization.

1725013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1725013 is about 1313.3975026625. The cubic root of 1725013 is about 119.9308166030.

The spelling of 1725013 in words is "one million, seven hundred twenty-five thousand, thirteen".