288881057 has 2 divisors, whose sum is σ = 288881058. Its totient is φ = 288881056.

The previous prime is 288881053. The next prime is 288881071. The reversal of 288881057 is 750188882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182358016 + 106523041 = 13504^2 + 10321^2 .

It is a cyclic number.

It is not a de Polignac number, because 288881057 - 2² = 288881053 is a prime.

It is a super-3 number, since 3×288881057³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (288881053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144440528 + 144440529.

It is an arithmetic number, because the mean of its divisors is an integer number (144440529).

Almost surely, 2^288881057 is an apocalyptic number.

It is an amenable number.

288881057 is a deficient number, since it is larger than the sum of its proper divisors (1).

288881057 is an equidigital number, since it uses as much as digits as its factorization.

288881057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286720, while the sum is 47.

The square root of 288881057 is about 16996.5013164475. The cubic root of 288881057 is about 661.0581869384.

The spelling of 288881057 in words is "two hundred eighty-eight million, eight hundred eighty-one thousand, fifty-seven".