1255514531 has 4 divisors (see below), whose sum is σ = 1271407200. Its totient is φ = 1239621864.

The previous prime is 1255514497. The next prime is 1255514569. The reversal of 1255514531 is 1354155521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1354155521 = 23 ⋅58876327.

It is not a de Polignac number, because 1255514531 - 2⁶ = 1255514467 is a prime.

It is a super-2 number, since 2×1255514531² = 3152633475104299922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255514131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7946216 + ... + 7946373.

It is an arithmetic number, because the mean of its divisors is an integer number (317851800).

Almost surely, 2^1255514531 is an apocalyptic number.

1255514531 is a deficient number, since it is larger than the sum of its proper divisors (15892669).

1255514531 is an equidigital number, since it uses as much as digits as its factorization.

1255514531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15892668.

The product of its digits is 15000, while the sum is 32.

The square root of 1255514531 is about 35433.2404812205. The cubic root of 1255514531 is about 1078.7991141521.

The spelling of 1255514531 in words is "one billion, two hundred fifty-five million, five hundred fourteen thousand, five hundred thirty-one".