1606057725 has 12 divisors (see below), whose sum is σ = 2655348896. Its totient is φ = 856564080.

The previous prime is 1606057723. The next prime is 1606057741. The reversal of 1606057725 is 5277506061.

It is not a de Polignac number, because 1606057725 - 2¹ = 1606057723 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 (1606057721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10706977 + ... + 10707126.

Almost surely, 2^1606057725 is an apocalyptic number.

1606057725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1606057725 is a deficient number, since it is larger than the sum of its proper divisors (1049291171).

1606057725 is a wasteful number, since it uses less digits than its factorization.

1606057725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21414116 (or 21414111 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 1606057725 is about 40075.6500259197. The cubic root of 1606057725 is about 1171.0813109617.

The spelling of 1606057725 in words is "one billion, six hundred six million, fifty-seven thousand, seven hundred twenty-five".