1560255725 has 12 divisors (see below), whose sum is σ = 2211105504. Its totient is φ = 1069889520.

The previous prime is 1560255721. The next prime is 1560255751. The reversal of 1560255725 is 5275520651.

It is not a de Polignac number, because 1560255725 - 2² = 1560255721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1560255721) 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, 4457699 + ... + 4458048.

It is an arithmetic number, because the mean of its divisors is an integer number (184258792).

Almost surely, 2^1560255725 is an apocalyptic number.

It is an amenable number.

1560255725 is a deficient number, since it is larger than the sum of its proper divisors (650849779).

1560255725 is an equidigital number, since it uses as much as digits as its factorization.

1560255725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915764 (or 8915759 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 1560255725 is about 39500.0724682880. The cubic root of 1560255725 is about 1159.8413687658.

The spelling of 1560255725 in words is "one billion, five hundred sixty million, two hundred fifty-five thousand, seven hundred twenty-five".