814734553 has 4 divisors (see below), whose sum is σ = 818323920. Its totient is φ = 811145188.

The previous prime is 814734551. The next prime is 814734559. The reversal of 814734553 is 355437418.

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 not a de Polignac number, because 814734553 - 2¹ = 814734551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814734551) 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, 1794343 + ... + 1794796.

It is an arithmetic number, because the mean of its divisors is an integer number (204580980).

Almost surely, 2^814734553 is an apocalyptic number.

It is an amenable number.

814734553 is a deficient number, since it is larger than the sum of its proper divisors (3589367).

814734553 is a wasteful number, since it uses less digits than its factorization.

814734553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589366.

The product of its digits is 201600, while the sum is 40.

The square root of 814734553 is about 28543.5553671928. Note that the first 3 decimals coincide. The cubic root of 814734553 is about 933.9824414712.

The spelling of 814734553 in words is "eight hundred fourteen million, seven hundred thirty-four thousand, five hundred fifty-three".