810002601 has 24 divisors (see below), whose sum is σ = 1200719520. Its totient is φ = 525873600.

The previous prime is 810002593. The next prime is 810002639. The reversal of 810002601 is 106200018.

It is not a de Polignac number, because 810002601 - 2³ = 810002593 is a prime.

It is a super-2 number, since 2×810002601² = 1312208427253530402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (810009601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241506 + ... + 244836.

It is an arithmetic number, because the mean of its divisors is an integer number (50029980).

Almost surely, 2^810002601 is an apocalyptic number.

It is an amenable number.

810002601 is a deficient number, since it is larger than the sum of its proper divisors (390716919).

810002601 is a wasteful number, since it uses less digits than its factorization.

810002601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037 (or 4034 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 810002601 is about 28460.5446363909. The cubic root of 810002601 is about 932.1707495520.

Adding to 810002601 its reverse (106200018), we get a palindrome (916202619).

The spelling of 810002601 in words is "eight hundred ten million, two thousand, six hundred one".