288275961 has 32 divisors (see below), whose sum is σ = 416868480. Its totient is φ = 176601600.

The previous prime is 288275959. The next prime is 288275989. The reversal of 288275961 is 169572882.

It is not a de Polignac number, because 288275961 - 2¹ = 288275959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 288275961.

It is not an unprimeable number, because it can be changed into a prime (288275941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 684531 + ... + 684951.

It is an arithmetic number, because the mean of its divisors is an integer number (13027140).

Almost surely, 2^288275961 is an apocalyptic number.

It is an amenable number.

288275961 is a deficient number, since it is larger than the sum of its proper divisors (128592519).

288275961 is a wasteful number, since it uses less digits than its factorization.

288275961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777.

The product of its digits is 483840, while the sum is 48.

The square root of 288275961 is about 16978.6913806689. The cubic root of 288275961 is about 660.5963090990.

The spelling of 288275961 in words is "two hundred eighty-eight million, two hundred seventy-five thousand, nine hundred sixty-one".