28852297 has 2 divisors, whose sum is σ = 28852298. Its totient is φ = 28852296.

The previous prime is 28852273. The next prime is 28852309. The reversal of 28852297 is 79225882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27762361 + 1089936 = 5269^2 + 1044^2 .

It is a cyclic number.

It is not a de Polignac number, because 28852297 - 2⁷ = 28852169 is a prime.

It is not a weakly prime, because it can be changed into another prime (28852897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14426148 + 14426149.

It is an arithmetic number, because the mean of its divisors is an integer number (14426149).

Almost surely, 2^28852297 is an apocalyptic number.

It is an amenable number.

28852297 is a deficient number, since it is larger than the sum of its proper divisors (1).

28852297 is an equidigital number, since it uses as much as digits as its factorization.

28852297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 28852297 is about 5371.4334213504. The cubic root of 28852297 is about 306.7091963437.

The spelling of 28852297 in words is "twenty-eight million, eight hundred fifty-two thousand, two hundred ninety-seven".