810025083 has 16 divisors (see below), whose sum is σ = 1371471360. Its totient is φ = 462871368.

The previous prime is 810025067. The next prime is 810025087. The reversal of 810025083 is 380520018.

It is a happy number.

It is not a de Polignac number, because 810025083 - 2⁴ = 810025067 is a prime.

It is a super-2 number, since 2×810025083² = 1312281270178313778, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (810025087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2142735 + ... + 2143112.

It is an arithmetic number, because the mean of its divisors is an integer number (85716960).

Almost surely, 2^810025083 is an apocalyptic number.

810025083 is a deficient number, since it is larger than the sum of its proper divisors (561446277).

810025083 is a wasteful number, since it uses less digits than its factorization.

810025083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285863 (or 4285857 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 810025083 is about 28460.9396014959. The cubic root of 810025083 is about 932.1793737502.

The spelling of 810025083 in words is "eight hundred ten million, twenty-five thousand, eighty-three".