1725974539 has 2 divisors, whose sum is σ = 1725974540. Its totient is φ = 1725974538.

The previous prime is 1725974519. The next prime is 1725974567. The reversal of 1725974539 is 9354795271.

It is a weak prime.

It is an emirp because it is prime and its reverse (9354795271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1725974539 - 2¹⁷ = 1725843467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1725974519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862987269 + 862987270.

It is an arithmetic number, because the mean of its divisors is an integer number (862987270).

Almost surely, 2^1725974539 is an apocalyptic number.

1725974539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1725974539 is an equidigital number, since it uses as much as digits as its factorization.

1725974539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 52.

The square root of 1725974539 is about 41544.8497289375. The cubic root of 1725974539 is about 1199.5309599788.

The spelling of 1725974539 in words is "one billion, seven hundred twenty-five million, nine hundred seventy-four thousand, five hundred thirty-nine".