814516001 has 4 divisors (see below), whose sum is σ = 877171092. Its totient is φ = 751860912.

The previous prime is 814515973. The next prime is 814516013. The reversal of 814516001 is 100615418.

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 277389025 + 537126976 = 16655^2 + 23176^2 .

It is a cyclic number.

It is not a de Polignac number, because 814516001 - 2²² = 810321697 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 (814516061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31327526 + ... + 31327551.

It is an arithmetic number, because the mean of its divisors is an integer number (219292773).

Almost surely, 2^814516001 is an apocalyptic number.

It is an amenable number.

814516001 is a deficient number, since it is larger than the sum of its proper divisors (62655091).

814516001 is a wasteful number, since it uses less digits than its factorization.

814516001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62655090.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 814516001 is about 28539.7267155802. The cubic root of 814516001 is about 933.8989206138.

The spelling of 814516001 in words is "eight hundred fourteen million, five hundred sixteen thousand, one".