865041452 has 24 divisors (see below), whose sum is σ = 1691725392. Its totient is φ = 383609600.

The previous prime is 865041433. The next prime is 865041487. The reversal of 865041452 is 254140568.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 237953 + ... + 241560.

It is an arithmetic number, because the mean of its divisors is an integer number (70488558).

Almost surely, 2^865041452 is an apocalyptic number.

865041452 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

865041452 is a deficient number, since it is larger than the sum of its proper divisors (826683940).

865041452 is a wasteful number, since it uses less digits than its factorization.

865041452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479569 (or 479567 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 865041452 is about 29411.5870364045. The cubic root of 865041452 is about 952.8231631710.

The spelling of 865041452 in words is "eight hundred sixty-five million, forty-one thousand, four hundred fifty-two".