1255033601 has 2 divisors, whose sum is σ = 1255033602. Its totient is φ = 1255033600.

The previous prime is 1255033597. The next prime is 1255033603. The reversal of 1255033601 is 1063305521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1226400400 + 28633201 = 35020^2 + 5351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255033601 - 2² = 1255033597 is a prime.

Together with 1255033603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1255033603) 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, 627516800 + 627516801.

It is an arithmetic number, because the mean of its divisors is an integer number (627516801).

Almost surely, 2^1255033601 is an apocalyptic number.

It is an amenable number.

1255033601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255033601 is an equidigital number, since it uses as much as digits as its factorization.

1255033601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1255033601 is about 35426.4534070234. The cubic root of 1255033601 is about 1078.6613504158.

The spelling of 1255033601 in words is "one billion, two hundred fifty-five million, thirty-three thousand, six hundred one".