1255530833 has 4 divisors (see below), whose sum is σ = 1279220148. Its totient is φ = 1231841520.

The previous prime is 1255530821. The next prime is 1255530851. The reversal of 1255530833 is 3380355521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 834747664 + 420783169 = 28892^2 + 20513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255530833 - 2⁴ = 1255530817 is a prime.

It is a super-2 number, since 2×1255530833² = 3152715345227347778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1255530793 and 1255530802.

It is not an unprimeable number, because it can be changed into a prime (1255530863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11844578 + ... + 11844683.

It is an arithmetic number, because the mean of its divisors is an integer number (319805037).

Almost surely, 2^1255530833 is an apocalyptic number.

It is an amenable number.

1255530833 is a deficient number, since it is larger than the sum of its proper divisors (23689315).

1255530833 is an equidigital number, since it uses as much as digits as its factorization.

1255530833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23689314.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 1255530833 is about 35433.4705187059. The cubic root of 1255530833 is about 1078.8037832888.

The spelling of 1255530833 in words is "one billion, two hundred fifty-five million, five hundred thirty thousand, eight hundred thirty-three".