1255714851 has 4 divisors (see below), whose sum is σ = 1674286472. Its totient is φ = 837143232.

The previous prime is 1255714841. The next prime is 1255714879. The reversal of 1255714851 is 1584175521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1255714851 - 2²³ = 1247326243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255714841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209285806 + ... + 209285811.

It is an arithmetic number, because the mean of its divisors is an integer number (418571618).

Almost surely, 2^1255714851 is an apocalyptic number.

1255714851 is a deficient number, since it is larger than the sum of its proper divisors (418571621).

1255714851 is an equidigital number, since it uses as much as digits as its factorization.

1255714851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418571620.

The product of its digits is 56000, while the sum is 39.

The square root of 1255714851 is about 35436.0670927235. The cubic root of 1255714851 is about 1078.8564859947.

The spelling of 1255714851 in words is "one billion, two hundred fifty-five million, seven hundred fourteen thousand, eight hundred fifty-one".