245427 has 32 divisors (see below), whose sum is σ = 430080. Its totient is φ = 120960.

The previous prime is 245419. The next prime is 245437. The reversal of 245427 is 724542.

245427 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 245427 - 2³ = 245419 is a prime.

245427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 245397 and 245406.

It is not an unprimeable number, because it can be changed into a prime (245407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7902 + ... + 7932.

It is an arithmetic number, because the mean of its divisors is an integer number (13440).

2²⁴⁵⁴²⁷ is an apocalyptic number.

245427 is a deficient number, since it is larger than the sum of its proper divisors (184653).

245427 is a wasteful number, since it uses less digits than its factorization.

245427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83.

The product of its digits is 2240, while the sum is 24.

The square root of 245427 is about 495.4058941918. The cubic root of 245427 is about 62.6095784355.

Adding to 245427 its reverse (724542), we get a palindrome (969969).

The spelling of 245427 in words is "two hundred forty-five thousand, four hundred twenty-seven".