288228953 has 4 divisors (see below), whose sum is σ = 288315648. Its totient is φ = 288142260.

The previous prime is 288228949. The next prime is 288228977. The reversal of 288228953 is 359822882.

It is a happy number.

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 288228953 - 2² = 288228949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 288228898 and 288228907.

It is not an unprimeable number, because it can be changed into a prime (288228923) 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, 38153 + ... + 45078.

It is an arithmetic number, because the mean of its divisors is an integer number (72078912).

Almost surely, 2^288228953 is an apocalyptic number.

It is an amenable number.

288228953 is a deficient number, since it is larger than the sum of its proper divisors (86695).

288228953 is an equidigital number, since it uses as much as digits as its factorization.

288228953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86694.

The product of its digits is 552960, while the sum is 47.

The square root of 288228953 is about 16977.3070008173. The cubic root of 288228953 is about 660.5604002205.

The spelling of 288228953 in words is "two hundred eighty-eight million, two hundred twenty-eight thousand, nine hundred fifty-three".