288497 has 4 divisors (see below), whose sum is σ = 314736. Its totient is φ = 262260.

The previous prime is 288493. The next prime is 288499. The reversal of 288497 is 794882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 288497 - 2² = 288493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 288497.

It is not an unprimeable number, because it can be changed into a prime (288493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13103 + ... + 13124.

It is an arithmetic number, because the mean of its divisors is an integer number (78684).

2²⁸⁸⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

288497 is a deficient number, since it is larger than the sum of its proper divisors (26239).

288497 is a wasteful number, since it uses less digits than its factorization.

288497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26238.

The product of its digits is 32256, while the sum is 38.

The square root of 288497 is about 537.1191674107. The cubic root of 288497 is about 66.0765105973.

The spelling of 288497 in words is "two hundred eighty-eight thousand, four hundred ninety-seven".