289292325 has 72 divisors (see below), whose sum is σ = 560464128. Its totient is φ = 131281920.

The previous prime is 289292287. The next prime is 289292407. The reversal of 289292325 is 523292982.

It is not a de Polignac number, because 289292325 - 2⁹ = 289291813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 819349 + ... + 819701.

It is an arithmetic number, because the mean of its divisors is an integer number (7784224).

Almost surely, 2^289292325 is an apocalyptic number.

289292325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

289292325 is a deficient number, since it is larger than the sum of its proper divisors (271171803).

289292325 is a wasteful number, since it uses less digits than its factorization.

289292325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 591 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 289292325 is about 17008.5956210382. The cubic root of 289292325 is about 661.3717452422.

The spelling of 289292325 in words is "two hundred eighty-nine million, two hundred ninety-two thousand, three hundred twenty-five".