1255437315 has 36 divisors (see below), whose sum is σ = 2391912432. Its totient is φ = 608694240.

The previous prime is 1255437307. The next prime is 1255437371. The reversal of 1255437315 is 5137345521.

It is not a de Polignac number, because 1255437315 - 2³ = 1255437307 is a prime.

It is a super-2 number, since 2×1255437315² = 3152245703788818450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1255437315.

It is an unprimeable number.

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 in 35 ways as a sum of consecutive naturals, for example, 109839 + ... + 120728.

It is an arithmetic number, because the mean of its divisors is an integer number (66442012).

Almost surely, 2^1255437315 is an apocalyptic number.

1255437315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1255437315 is a deficient number, since it is larger than the sum of its proper divisors (1136475117).

1255437315 is a wasteful number, since it uses less digits than its factorization.

1255437315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230600 (or 230586 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 1255437315 is about 35432.1508661272. The cubic root of 1255437315 is about 1078.7769977851.

The spelling of 1255437315 in words is "one billion, two hundred fifty-five million, four hundred thirty-seven thousand, three hundred fifteen".