863132401 has 4 divisors (see below), whose sum is σ = 879417972. Its totient is φ = 846846832.

The previous prime is 863132383. The next prime is 863132419. The reversal of 863132401 is 104231368.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (863132383) and next prime (863132419).

It can be written as a sum of positive squares in 2 ways, for example, as 539168400 + 323964001 = 23220^2 + 17999^2 .

It is a cyclic number.

It is not a de Polignac number, because 863132401 - 2⁷ = 863132273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 863132401.

It is not an unprimeable number, because it can be changed into a prime (863132441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8142706 + ... + 8142811.

It is an arithmetic number, because the mean of its divisors is an integer number (219854493).

Almost surely, 2^863132401 is an apocalyptic number.

It is an amenable number.

863132401 is a deficient number, since it is larger than the sum of its proper divisors (16285571).

863132401 is a wasteful number, since it uses less digits than its factorization.

863132401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16285570.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 863132401 is about 29379.1150479384. The cubic root of 863132401 is about 952.1217217340.

Adding to 863132401 its reverse (104231368), we get a palindrome (967363769).

The spelling of 863132401 in words is "eight hundred sixty-three million, one hundred thirty-two thousand, four hundred one".