288280613 has 2 divisors, whose sum is σ = 288280614. Its totient is φ = 288280612.

The previous prime is 288280609. The next prime is 288280637. The reversal of 288280613 is 316082882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163891204 + 124389409 = 12802^2 + 11153^2 .

It is a cyclic number.

It is not a de Polignac number, because 288280613 - 2² = 288280609 is a prime.

It is a super-4 number, since 4×288280613⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288280813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144140306 + 144140307.

It is an arithmetic number, because the mean of its divisors is an integer number (144140307).

Almost surely, 2^288280613 is an apocalyptic number.

It is an amenable number.

288280613 is a deficient number, since it is larger than the sum of its proper divisors (1).

288280613 is an equidigital number, since it uses as much as digits as its factorization.

288280613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 288280613 is about 16978.8283753621. The cubic root of 288280613 is about 660.5998624968.

The spelling of 288280613 in words is "two hundred eighty-eight million, two hundred eighty thousand, six hundred thirteen".