115603250 has 48 divisors (see below), whose sum is σ = 251768088. Its totient is φ = 39631200.

The previous prime is 115603249. The next prime is 115603259. The reversal of 115603250 is 52306511.

It can be written as a sum of positive squares in 4 ways, for example, as 37687321 + 77915929 = 6139^2 + 8827^2 .

It is a super-2 number, since 2×115603250² = 26728222821125000, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115603259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7532 + ... + 16968.

Almost surely, 2^115603250 is an apocalyptic number.

115603250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115603250 is an abundant number, since it is smaller than the sum of its proper divisors (136164838).

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

115603250 is an equidigital number, since it uses as much as digits as its factorization.

115603250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468 (or 9451 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 115603250 is about 10751.8951817807. The cubic root of 115603250 is about 487.1432410648.

Adding to 115603250 its reverse (52306511), we get a palindrome (167909761).

The spelling of 115603250 in words is "one hundred fifteen million, six hundred three thousand, two hundred fifty".