245050489 has 4 divisors (see below), whose sum is σ = 245084580. Its totient is φ = 245016400.

The previous prime is 245050471. The next prime is 245050499. The reversal of 245050489 is 984050542.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 151290000 + 93760489 = 12300^2 + 9683^2 .

It is a cyclic number.

It is not a de Polignac number, because 245050489 - 2⁵ = 245050457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245050439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594 + ... + 22195.

It is an arithmetic number, because the mean of its divisors is an integer number (61271145).

Almost surely, 2^245050489 is an apocalyptic number.

It is an amenable number.

245050489 is a deficient number, since it is larger than the sum of its proper divisors (34091).

245050489 is a wasteful number, since it uses less digits than its factorization.

245050489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34090.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 245050489 is about 15654.0885713605. The cubic root of 245050489 is about 625.7754547540.

The spelling of 245050489 in words is "two hundred forty-five million, fifty thousand, four hundred eighty-nine".