245487 has 16 divisors (see below), whose sum is σ = 367488. Its totient is φ = 144480.

The previous prime is 245477. The next prime is 245501. The reversal of 245487 is 784542.

245487 is nontrivially palindromic in base 13.

It is not a de Polignac number, because 245487 - 2⁴ = 245471 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1333 + ... + 1505.

It is an arithmetic number, because the mean of its divisors is an integer number (22968).

2²⁴⁵⁴⁸⁷ is an apocalyptic number.

245487 is a deficient number, since it is larger than the sum of its proper divisors (122001).

245487 is a wasteful number, since it uses less digits than its factorization.

245487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 8960, while the sum is 30.

The square root of 245487 is about 495.4664468963. The cubic root of 245487 is about 62.6146801135.

The spelling of 245487 in words is "two hundred forty-five thousand, four hundred eighty-seven".