833425489 has 4 divisors (see below), whose sum is σ = 897535156. Its totient is φ = 769315824.

The previous prime is 833425471. The next prime is 833425499. The reversal of 833425489 is 984524338.

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 474891264 + 358534225 = 21792^2 + 18935^2 .

It is a cyclic number.

It is not a de Polignac number, because 833425489 - 2⁷ = 833425361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (833425429) 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, 32054814 + ... + 32054839.

It is an arithmetic number, because the mean of its divisors is an integer number (224383789).

Almost surely, 2^833425489 is an apocalyptic number.

It is an amenable number.

833425489 is a deficient number, since it is larger than the sum of its proper divisors (64109667).

833425489 is a wasteful number, since it uses less digits than its factorization.

833425489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64109666.

The product of its digits is 829440, while the sum is 46.

The square root of 833425489 is about 28869.1095983233. The cubic root of 833425489 is about 941.0707163234.

It can be divided in two parts, 83342 and 5489, that added together give a triangular number (88831 = T₄₂₁).

The spelling of 833425489 in words is "eight hundred thirty-three million, four hundred twenty-five thousand, four hundred eighty-nine".