245059 has 4 divisors (see below), whose sum is σ = 246240. Its totient is φ = 243880.

The previous prime is 245039. The next prime is 245071. The reversal of 245059 is 950542.

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, and also an emirpimes, since its reverse is a distinct semiprime: 950542 = 2 ⋅475271.

It is a cyclic number.

It is not a de Polignac number, because 245059 - 2⁹ = 244547 is a prime.

It is a Duffinian number.

245059 is a lucky number.

It is a nialpdrome in base 12 and base 14.

It is not an unprimeable number, because it can be changed into a prime (245029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187 + ... + 724.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2²⁴⁵⁰⁵⁹ is an apocalyptic number.

245059 is a deficient number, since it is larger than the sum of its proper divisors (1181).

245059 is an equidigital number, since it uses as much as digits as its factorization.

245059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 245059 is about 495.0343422430. The cubic root of 245059 is about 62.5782699401.

The spelling of 245059 in words is "two hundred forty-five thousand, fifty-nine".