814432061 has 4 divisors (see below), whose sum is σ = 815209500. Its totient is φ = 813654624.

The previous prime is 814432057. The next prime is 814432097. The reversal of 814432061 is 160234418.

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

It can be written as a sum of positive squares in 2 ways, for example, as 599956036 + 214476025 = 24494^2 + 14645^2 .

It is a cyclic number.

It is not a de Polignac number, because 814432061 - 2² = 814432057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814432051) 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, 387146 + ... + 389243.

It is an arithmetic number, because the mean of its divisors is an integer number (203802375).

Almost surely, 2^814432061 is an apocalyptic number.

It is an amenable number.

814432061 is a deficient number, since it is larger than the sum of its proper divisors (777439).

814432061 is a wasteful number, since it uses less digits than its factorization.

814432061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777438.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 814432061 is about 28538.2560959846. The cubic root of 814432061 is about 933.8668385068.

Adding to 814432061 its reverse (160234418), we get a palindrome (974666479).

The spelling of 814432061 in words is "eight hundred fourteen million, four hundred thirty-two thousand, sixty-one".