1255313171 has 16 divisors (see below), whose sum is σ = 1475032320. Its totient is φ = 1045755360.

The previous prime is 1255313149. The next prime is 1255313173. The reversal of 1255313171 is 1713135521.

It is a cyclic number.

It is not a de Polignac number, because 1255313171 - 2¹⁴ = 1255296787 is a prime.

It is a super-2 number, since 2×1255313171² = 3151622314572150482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255313173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301220 + ... + 305358.

It is an arithmetic number, because the mean of its divisors is an integer number (92189520).

Almost surely, 2^1255313171 is an apocalyptic number.

1255313171 is a deficient number, since it is larger than the sum of its proper divisors (219719149).

1255313171 is a wasteful number, since it uses less digits than its factorization.

1255313171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354.

The product of its digits is 3150, while the sum is 29.

The square root of 1255313171 is about 35430.3989675533. The cubic root of 1255313171 is about 1078.7414383020.

Adding to 1255313171 its reverse (1713135521), we get a palindrome (2968448692).

The spelling of 1255313171 in words is "one billion, two hundred fifty-five million, three hundred thirteen thousand, one hundred seventy-one".