1255523250 has 64 divisors (see below), whose sum is σ = 3234935808. Its totient is φ = 324000000.

The previous prime is 1255523209. The next prime is 1255523261. The reversal of 1255523250 is 523255521.

1255523250 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3751 + ... + 50250.

It is an arithmetic number, because the mean of its divisors is an integer number (50545872).

Almost surely, 2^1255523250 is an apocalyptic number.

1255523250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255523250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617467904).

1255523250 is an abundant number, since it is smaller than the sum of its proper divisors (1979412558).

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

1255523250 is a wasteful number, since it uses less digits than its factorization.

1255523250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54052 (or 54042 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1255523250 is about 35433.3635151957. The cubic root of 1255523250 is about 1078.8016114092.

Adding to 1255523250 its reverse (523255521), we get a palindrome (1778778771).

The spelling of 1255523250 in words is "one billion, two hundred fifty-five million, five hundred twenty-three thousand, two hundred fifty".