245518 has 32 divisors (see below), whose sum is σ = 483840. Its totient is φ = 90720.

The previous prime is 245513. The next prime is 245519. The reversal of 245518 is 815542.

It is a junction number, because it is equal to n+sod(n) for n = 245492 and 245501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245513) by changing a digit.

245518 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3423 + ... + 3493.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2²⁴⁵⁵¹⁸ is an apocalyptic number.

245518 is a deficient number, since it is larger than the sum of its proper divisors (238322).

245518 is a wasteful number, since it uses less digits than its factorization.

245518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112.

The product of its digits is 1600, while the sum is 25.

The square root of 245518 is about 495.4977295609. The cubic root of 245518 is about 62.6173156548.

The spelling of 245518 in words is "two hundred forty-five thousand, five hundred eighteen".