289325525 has 6 divisors (see below), whose sum is σ = 358763682. Its totient is φ = 231460400.

The previous prime is 289325471. The next prime is 289325527. The reversal of 289325525 is 525523982.

It can be written as a sum of positive squares in 3 ways, for example, as 26853124 + 262472401 = 5182^2 + 16201^2 .

It is not a de Polignac number, because 289325525 - 2⁶ = 289325461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289325527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5786486 + ... + 5786535.

It is an arithmetic number, because the mean of its divisors is an integer number (59793947).

Almost surely, 2^289325525 is an apocalyptic number.

289325525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

289325525 is a deficient number, since it is larger than the sum of its proper divisors (69438157).

289325525 is a wasteful number, since it uses less digits than its factorization.

289325525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11573031 (or 11573026 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 289325525 is about 17009.5715701484. The cubic root of 289325525 is about 661.3970445676.

The spelling of 289325525 in words is "two hundred eighty-nine million, three hundred twenty-five thousand, five hundred twenty-five".