240171225 has 24 divisors (see below), whose sum is σ = 453810240. Its totient is φ = 109792320.

The previous prime is 240171179. The next prime is 240171227. The reversal of 240171225 is 522171042.

240171225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240171225 - 2²⁰ = 239122649 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 240171195 and 240171204.

It is not an unprimeable number, because it can be changed into a prime (240171227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228210 + ... + 229259.

It is an arithmetic number, because the mean of its divisors is an integer number (18908760).

Almost surely, 2^240171225 is an apocalyptic number.

240171225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240171225 is a deficient number, since it is larger than the sum of its proper divisors (213639015).

240171225 is a wasteful number, since it uses less digits than its factorization.

240171225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457489 (or 457484 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 240171225 is about 15497.4586626324. The cubic root of 240171225 is about 621.5942538050.

The spelling of 240171225 in words is "two hundred forty million, one hundred seventy-one thousand, two hundred twenty-five".