865414001 has 4 divisors (see below), whose sum is σ = 885539952. Its totient is φ = 845288052.

The previous prime is 865413973. The next prime is 865414007. The reversal of 865414001 is 100414568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-865414001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (865414007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10062911 + ... + 10062996.

It is an arithmetic number, because the mean of its divisors is an integer number (221384988).

Almost surely, 2^865414001 is an apocalyptic number.

It is an amenable number.

865414001 is a deficient number, since it is larger than the sum of its proper divisors (20125951).

865414001 is a wasteful number, since it uses less digits than its factorization.

865414001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20125950.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 865414001 is about 29417.9197259086. The cubic root of 865414001 is about 952.9599282431.

Adding to 865414001 its reverse (100414568), we get a palindrome (965828569).

The spelling of 865414001 in words is "eight hundred sixty-five million, four hundred fourteen thousand, one".