868505225 has 24 divisors (see below), whose sum is σ = 1232444928. Its totient is φ = 594748800.

The previous prime is 868505213. The next prime is 868505237. The reversal of 868505225 is 522505868.

It is an interprime number because it is at equal distance from previous prime (868505213) and next prime (868505237).

It is not a de Polignac number, because 868505225 - 2¹⁰ = 868504201 is a prime.

It is a Duffinian number.

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, 147080 + ... + 152870.

It is an arithmetic number, because the mean of its divisors is an integer number (51351872).

Almost surely, 2^868505225 is an apocalyptic number.

It is an amenable number.

868505225 is a deficient number, since it is larger than the sum of its proper divisors (363939703).

868505225 is a wasteful number, since it uses less digits than its factorization.

868505225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665 (or 6660 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 868505225 is about 29470.4127049487. The cubic root of 868505225 is about 954.0932247926.

The spelling of 868505225 in words is "eight hundred sixty-eight million, five hundred five thousand, two hundred twenty-five".