1255734313 has 8 divisors (see below), whose sum is σ = 1271795976. Its totient is φ = 1239744000.

The previous prime is 1255734283. The next prime is 1255734317. The reversal of 1255734313 is 3134375521.

It can be written as a sum of positive squares in 4 ways, for example, as 767677849 + 488056464 = 27707^2 + 22092^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255734313 - 2⁵ = 1255734281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255734317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18043 + ... + 53263.

It is an arithmetic number, because the mean of its divisors is an integer number (158974497).

Almost surely, 2^1255734313 is an apocalyptic number.

It is an amenable number.

1255734313 is a deficient number, since it is larger than the sum of its proper divisors (16061663).

1255734313 is a wasteful number, since it uses less digits than its factorization.

1255734313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35675.

The product of its digits is 37800, while the sum is 34.

The square root of 1255734313 is about 35436.3416988831. The cubic root of 1255734313 is about 1078.8620596052.

The spelling of 1255734313 in words is "one billion, two hundred fifty-five million, seven hundred thirty-four thousand, three hundred thirteen".