290275263 has 6 divisors (see below), whose sum is σ = 419286504. Its totient is φ = 193516836.

The previous prime is 290275253. The next prime is 290275267. The reversal of 290275263 is 362572092.

It is not a de Polignac number, because 290275263 - 2⁴ = 290275247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290275267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16126395 + ... + 16126412.

It is an arithmetic number, because the mean of its divisors is an integer number (69881084).

Almost surely, 2^290275263 is an apocalyptic number.

290275263 is a deficient number, since it is larger than the sum of its proper divisors (129011241).

290275263 is a wasteful number, since it uses less digits than its factorization.

290275263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32252813 (or 32252810 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 290275263 is about 17037.4664489765. The cubic root of 290275263 is about 662.1199532849.

The spelling of 290275263 in words is "two hundred ninety million, two hundred seventy-five thousand, two hundred sixty-three".