1255343407 has 2 divisors, whose sum is σ = 1255343408. Its totient is φ = 1255343406.

The previous prime is 1255343399. The next prime is 1255343429. The reversal of 1255343407 is 7043435521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255343407 - 2³ = 1255343399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255343477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627671703 + 627671704.

It is an arithmetic number, because the mean of its divisors is an integer number (627671704).

Almost surely, 2^1255343407 is an apocalyptic number.

1255343407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255343407 is an equidigital number, since it uses as much as digits as its factorization.

1255343407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 1255343407 is about 35430.8256607153. The cubic root of 1255343407 is about 1078.7500992388.

Adding to 1255343407 its reverse (7043435521), we get a palindrome (8298778928).

The spelling of 1255343407 in words is "one billion, two hundred fifty-five million, three hundred forty-three thousand, four hundred seven".