605720725 has 12 divisors (see below), whose sum is σ = 767075904. Its totient is φ = 474265520.

The previous prime is 605720723. The next prime is 605720737. The reversal of 605720725 is 527027506.

It is a happy number.

It is not a de Polignac number, because 605720725 - 2¹ = 605720723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605720723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256579 + ... + 258928.

It is an arithmetic number, because the mean of its divisors is an integer number (63922992).

Almost surely, 2^605720725 is an apocalyptic number.

It is an amenable number.

605720725 is a deficient number, since it is larger than the sum of its proper divisors (161355179).

605720725 is a wasteful number, since it uses less digits than its factorization.

605720725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515564 (or 515559 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 605720725 is about 24611.3942108122. The cubic root of 605720725 is about 846.1047720692.

The spelling of 605720725 in words is "six hundred five million, seven hundred twenty thousand, seven hundred twenty-five".