1255434371 has 2 divisors, whose sum is σ = 1255434372. Its totient is φ = 1255434370.

The previous prime is 1255434361. The next prime is 1255434413. The reversal of 1255434371 is 1734345521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255434371 - 2⁶ = 1255434307 is a prime.

It is a super-2 number, since 2×1255434371² = 3152230919776331282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1255434361) 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 as a sum of consecutive naturals, namely, 627717185 + 627717186.

It is an arithmetic number, because the mean of its divisors is an integer number (627717186).

Almost surely, 2^1255434371 is an apocalyptic number.

1255434371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255434371 is an equidigital number, since it uses as much as digits as its factorization.

1255434371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 1255434371 is about 35432.1093219131. The cubic root of 1255434371 is about 1078.7761545406.

Adding to 1255434371 its reverse (1734345521), we get a palindrome (2989779892).

The spelling of 1255434371 in words is "one billion, two hundred fifty-five million, four hundred thirty-four thousand, three hundred seventy-one".