289131050 has 24 divisors (see below), whose sum is σ = 579153036. Its totient is φ = 106755840.

The previous prime is 289131001. The next prime is 289131067. The reversal of 289131050 is 50131982.

It can be written as a sum of positive squares in 6 ways, for example, as 69172489 + 219958561 = 8317^2 + 14831^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221759 + ... + 223058.

Almost surely, 2^289131050 is an apocalyptic number.

289131050 is an abundant number, since it is smaller than the sum of its proper divisors (290021986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289131050 is a wasteful number, since it uses less digits than its factorization.

289131050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444842 (or 444837 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 289131050 is about 17003.8539749082. The cubic root of 289131050 is about 661.2488216502.

The spelling of 289131050 in words is "two hundred eighty-nine million, one hundred thirty-one thousand, fifty".