807530189 has 4 divisors (see below), whose sum is σ = 808312956. Its totient is φ = 806747424.

The previous prime is 807530183. The next prime is 807530221. The reversal of 807530189 is 981035708.

It is a happy number.

807530189 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.

It can be written as a sum of positive squares in 2 ways, for example, as 631516900 + 176013289 = 25130^2 + 13267^2 .

It is a cyclic number.

It is not a de Polignac number, because 807530189 - 2²⁴ = 790752973 is a prime.

It is a super-2 number, since 2×807530189² = 1304210012292751442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807530183) 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, 389834 + ... + 391899.

It is an arithmetic number, because the mean of its divisors is an integer number (202078239).

Almost surely, 2^807530189 is an apocalyptic number.

It is an amenable number.

807530189 is a deficient number, since it is larger than the sum of its proper divisors (782767).

807530189 is a wasteful number, since it uses less digits than its factorization.

807530189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782766.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 807530189 is about 28417.0756588358. The cubic root of 807530189 is about 931.2213455802.

The spelling of 807530189 in words is "eight hundred seven million, five hundred thirty thousand, one hundred eighty-nine".