245995 has 4 divisors (see below), whose sum is σ = 295200. Its totient is φ = 196792.

The previous prime is 245989. The next prime is 246011. The reversal of 245995 is 599542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 599542 = 2 ⋅299771.

It is a cyclic number.

It is not a de Polignac number, because 245995 - 2⁵ = 245963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245995.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24595 + ... + 24604.

It is an arithmetic number, because the mean of its divisors is an integer number (73800).

2²⁴⁵⁹⁹⁵ is an apocalyptic number.

245995 is a deficient number, since it is larger than the sum of its proper divisors (49205).

245995 is an equidigital number, since it uses as much as digits as its factorization.

245995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49204.

The product of its digits is 16200, while the sum is 34.

The square root of 245995 is about 495.9788301934. The cubic root of 245995 is about 62.6578410437.

The spelling of 245995 in words is "two hundred forty-five thousand, nine hundred ninety-five".