810630061 has 4 divisors (see below), whose sum is σ = 815998624. Its totient is φ = 805261500.

The previous prime is 810630059. The next prime is 810630131. The reversal of 810630061 is 160036018.

810630061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 160036018 = 2 ⋅80018009.

It is a cyclic number.

It is not a de Polignac number, because 810630061 - 2¹ = 810630059 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 (810630031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2684055 + ... + 2684356.

It is an arithmetic number, because the mean of its divisors is an integer number (203999656).

Almost surely, 2^810630061 is an apocalyptic number.

It is an amenable number.

810630061 is a deficient number, since it is larger than the sum of its proper divisors (5368563).

810630061 is a wasteful number, since it uses less digits than its factorization.

810630061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5368562.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 810630061 is about 28471.5658333011. The cubic root of 810630061 is about 932.4113861845.

Adding to 810630061 its reverse (160036018), we get a palindrome (970666079).

The spelling of 810630061 in words is "eight hundred ten million, six hundred thirty thousand, sixty-one".