1255351733 has 2 divisors, whose sum is σ = 1255351734. Its totient is φ = 1255351732.

The previous prime is 1255351729. The next prime is 1255351771. The reversal of 1255351733 is 3371535521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 867773764 + 387577969 = 29458^2 + 19687^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255351733 - 2² = 1255351729 is a prime.

It is a super-2 number, since 2×1255351733² = 3151815947092206578, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1255351693 and 1255351702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255351703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627675866 + 627675867.

It is an arithmetic number, because the mean of its divisors is an integer number (627675867).

Almost surely, 2^1255351733 is an apocalyptic number.

It is an amenable number.

1255351733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255351733 is an equidigital number, since it uses as much as digits as its factorization.

1255351733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47250, while the sum is 35.

The square root of 1255351733 is about 35430.9431570767. The cubic root of 1255351733 is about 1078.7524841516.

The spelling of 1255351733 in words is "one billion, two hundred fifty-five million, three hundred fifty-one thousand, seven hundred thirty-three".