1255163461 has 8 divisors (see below), whose sum is σ = 1286517024. Its totient is φ = 1224181200.

The previous prime is 1255163447. The next prime is 1255163501. The reversal of 1255163461 is 1643615521.

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 1255163461 - 2¹³ = 1255155269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255163411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85975 + ... + 99508.

It is an arithmetic number, because the mean of its divisors is an integer number (160814628).

Almost surely, 2^1255163461 is an apocalyptic number.

It is an amenable number.

1255163461 is a deficient number, since it is larger than the sum of its proper divisors (31353563).

1255163461 is a wasteful number, since it uses less digits than its factorization.

1255163461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185651.

The product of its digits is 21600, while the sum is 34.

The square root of 1255163461 is about 35428.2861707986. The cubic root of 1255163461 is about 1078.6985526420.

Adding to 1255163461 its reverse (1643615521), we get a palindrome (2898778982).

The spelling of 1255163461 in words is "one billion, two hundred fifty-five million, one hundred sixty-three thousand, four hundred sixty-one".