1255737425 has 12 divisors (see below), whose sum is σ = 1557911820. Its totient is φ = 1004075520.

The previous prime is 1255737389. The next prime is 1255737433. The reversal of 1255737425 is 5247375521.

It can be written as a sum of positive squares in 6 ways, for example, as 310605376 + 945132049 = 17624^2 + 30743^2 .

It is not a de Polignac number, because 1255737425 - 2⁶ = 1255737361 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41429 + ... + 65021.

It is an arithmetic number, because the mean of its divisors is an integer number (129825985).

Almost surely, 2^1255737425 is an apocalyptic number.

It is an amenable number.

1255737425 is a deficient number, since it is larger than the sum of its proper divisors (302174395).

1255737425 is a wasteful number, since it uses less digits than its factorization.

1255737425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25732 (or 25727 counting only the distinct ones).

The product of its digits is 294000, while the sum is 41.

The square root of 1255737425 is about 35436.3856085803. The cubic root of 1255737425 is about 1078.8629508277.

The spelling of 1255737425 in words is "one billion, two hundred fifty-five million, seven hundred thirty-seven thousand, four hundred twenty-five".