810103061 has 4 divisors (see below), whose sum is σ = 813942624. Its totient is φ = 806263500.

The previous prime is 810103043. The next prime is 810103103. The reversal of 810103061 is 160301018.

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-810103061 is a prime.

It is a super-3 number, since 3×810103061³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810103001) 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, 1919465 + ... + 1919886.

It is an arithmetic number, because the mean of its divisors is an integer number (203485656).

Almost surely, 2^810103061 is an apocalyptic number.

It is an amenable number.

810103061 is a deficient number, since it is larger than the sum of its proper divisors (3839563).

810103061 is a wasteful number, since it uses less digits than its factorization.

810103061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839562.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 810103061 is about 28462.3094811366. The cubic root of 810103061 is about 932.2092852317.

Adding to 810103061 its reverse (160301018), we get a palindrome (970404079).

The spelling of 810103061 in words is "eight hundred ten million, one hundred three thousand, sixty-one".