115225250 has 32 divisors (see below), whose sum is σ = 246519936. Its totient is φ = 39505200.

The previous prime is 115225249. The next prime is 115225259. The reversal of 115225250 is 52522511.

It is not an unprimeable number, because it can be changed into a prime (115225259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31172 + ... + 34671.

It is an arithmetic number, because the mean of its divisors is an integer number (7703748).

Almost surely, 2^115225250 is an apocalyptic number.

115225250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115225250 is an abundant number, since it is smaller than the sum of its proper divisors (131294686).

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

115225250 is an equidigital number, since it uses as much as digits as its factorization.

115225250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65867 (or 65857 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 115225250 is about 10734.3024924771. The cubic root of 115225250 is about 486.6117069564.

Adding to 115225250 its reverse (52522511), we get a palindrome (167747761).

The spelling of 115225250 in words is "one hundred fifteen million, two hundred twenty-five thousand, two hundred fifty".