1255066265 has 8 divisors (see below), whose sum is σ = 1506574080. Its totient is φ = 1003723312.

The previous prime is 1255066249. The next prime is 1255066273. The reversal of 1255066265 is 5626605521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255066265 - 2⁴ = 1255066249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23795 + ... + 55464.

It is an arithmetic number, because the mean of its divisors is an integer number (188321760).

Almost surely, 2^1255066265 is an apocalyptic number.

It is an amenable number.

1255066265 is a deficient number, since it is larger than the sum of its proper divisors (251507815).

1255066265 is an equidigital number, since it uses as much as digits as its factorization.

1255066265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82431.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 1255066265 is about 35426.9144154554. The cubic root of 1255066265 is about 1078.6707082233.

The spelling of 1255066265 in words is "one billion, two hundred fifty-five million, sixty-six thousand, two hundred sixty-five".