1255325000 has 96 divisors (see below), whose sum is σ = 2970513000. Its totient is φ = 497280000.

The previous prime is 1255324991. The next prime is 1255325017. The reversal of 1255325000 is 5235521.

It can be written as a sum of positive squares in 12 ways, for example, as 981819556 + 273505444 = 31334^2 + 16538^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3724832 + ... + 3725168.

Almost surely, 2^1255325000 is an apocalyptic number.

1255325000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255325000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485256500).

1255325000 is an abundant number, since it is smaller than the sum of its proper divisors (1715188000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255325000 is an equidigital number, since it uses as much as digits as its factorization.

1255325000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1255325000 is about 35430.5659000812. The cubic root of 1255325000 is about 1078.7448266709.

The spelling of 1255325000 in words is "one billion, two hundred fifty-five million, three hundred twenty-five thousand".