245006 has 4 divisors (see below), whose sum is σ = 367512. Its totient is φ = 122502.

The previous prime is 244997. The next prime is 245023. The reversal of 245006 is 600542.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 61250 + ... + 61253.

It is an arithmetic number, because the mean of its divisors is an integer number (91878).

2²⁴⁵⁰⁰⁶ is an apocalyptic number.

245006 is a deficient number, since it is larger than the sum of its proper divisors (122506).

245006 is a wasteful number, since it uses less digits than its factorization.

245006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122505.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 245006 is about 494.9808077087. The cubic root of 245006 is about 62.5737582546.

Adding to 245006 its reverse (600542), we get a palindrome (845548).

The spelling of 245006 in words is "two hundred forty-five thousand, six".