865254330 has 48 divisors (see below), whose sum is σ = 2322238464. Its totient is φ = 223290720.

The previous prime is 865254277. The next prime is 865254337. The reversal of 865254330 is 33452568.

It is a happy number.

865254330 is a `hidden beast` number, since 86 + 5 + 2 + 543 + 30 = 666.

It is not an unprimeable number, because it can be changed into a prime (865254337) 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, 152274 + ... + 157853.

It is an arithmetic number, because the mean of its divisors is an integer number (48379968).

Almost surely, 2^865254330 is an apocalyptic number.

865254330 is an abundant number, since it is smaller than the sum of its proper divisors (1456984134).

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

865254330 is a wasteful number, since it uses less digits than its factorization.

865254330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310171 (or 310168 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 865254330 is about 29415.2057616465. The cubic root of 865254330 is about 952.9013168257.

The spelling of 865254330 in words is "eight hundred sixty-five million, two hundred fifty-four thousand, three hundred thirty".