289262625 has 32 divisors (see below), whose sum is σ = 486071040. Its totient is φ = 152755200.

The previous prime is 289262621. The next prime is 289262627. The reversal of 289262625 is 526262982.

It is not a de Polignac number, because 289262625 - 2² = 289262621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289262621) 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 31 ways as a sum of consecutive naturals, for example, 34881 + ... + 42369.

It is an arithmetic number, because the mean of its divisors is an integer number (15189720).

Almost surely, 2^289262625 is an apocalyptic number.

289262625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

289262625 is a deficient number, since it is larger than the sum of its proper divisors (196808415).

289262625 is a wasteful number, since it uses less digits than its factorization.

289262625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7610 (or 7600 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 289262625 is about 17007.7225106714. The cubic root of 289262625 is about 661.3491113740.

The spelling of 289262625 in words is "two hundred eighty-nine million, two hundred sixty-two thousand, six hundred twenty-five".