289515452 has 6 divisors (see below), whose sum is σ = 506652048. Its totient is φ = 144757724.

The previous prime is 289515451. The next prime is 289515461. The reversal of 289515452 is 254515982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289515451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36189428 + ... + 36189435.

It is an arithmetic number, because the mean of its divisors is an integer number (84442008).

Almost surely, 2^289515452 is an apocalyptic number.

It is an amenable number.

289515452 is a deficient number, since it is larger than the sum of its proper divisors (217136596).

289515452 is a wasteful number, since it uses less digits than its factorization.

289515452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72378867 (or 72378865 counting only the distinct ones).

The product of its digits is 144000, while the sum is 41.

The square root of 289515452 is about 17015.1535990716. The cubic root of 289515452 is about 661.5417370433.

The spelling of 289515452 in words is "two hundred eighty-nine million, five hundred fifteen thousand, four hundred fifty-two".