245287 has 8 divisors (see below), whose sum is σ = 285056. Its totient is φ = 206712.

The previous prime is 245279. The next prime is 245291. The reversal of 245287 is 782542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245287 - 2³ = 245279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208 + ... + 730.

It is an arithmetic number, because the mean of its divisors is an integer number (35632).

2²⁴⁵²⁸⁷ is an apocalyptic number.

245287 is a deficient number, since it is larger than the sum of its proper divisors (39769).

245287 is an equidigital number, since it uses as much as digits as its factorization.

245287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597.

The product of its digits is 4480, while the sum is 28.

The square root of 245287 is about 495.2645757572. The cubic root of 245287 is about 62.5976712856.

The spelling of 245287 in words is "two hundred forty-five thousand, two hundred eighty-seven".