865351049 has 8 divisors (see below), whose sum is σ = 889286112. Its totient is φ = 841589280.

The previous prime is 865351027. The next prime is 865351061. The reversal of 865351049 is 940153568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 865351049 - 2²⁴ = 848573833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 865350997 and 865351015.

It is not an unprimeable number, because it can be changed into a prime (865351009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33167 + ... + 53204.

It is an arithmetic number, because the mean of its divisors is an integer number (111160764).

Almost surely, 2^865351049 is an apocalyptic number.

It is an amenable number.

865351049 is a deficient number, since it is larger than the sum of its proper divisors (23935063).

865351049 is a wasteful number, since it uses less digits than its factorization.

865351049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86647.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 865351049 is about 29416.8497463614. The cubic root of 865351049 is about 952.9368209257.

The spelling of 865351049 in words is "eight hundred sixty-five million, three hundred fifty-one thousand, forty-nine".