28353953 has 2 divisors, whose sum is σ = 28353954. Its totient is φ = 28353952.

The previous prime is 28353937. The next prime is 28353961. The reversal of 28353953 is 35935382.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18037009 + 10316944 = 4247^2 + 3212^2 .

It is a cyclic number.

It is not a de Polignac number, because 28353953 - 2⁴ = 28353937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (28353253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14176976 + 14176977.

It is an arithmetic number, because the mean of its divisors is an integer number (14176977).

Almost surely, 2^28353953 is an apocalyptic number.

It is an amenable number.

28353953 is a deficient number, since it is larger than the sum of its proper divisors (1).

28353953 is an equidigital number, since it uses as much as digits as its factorization.

28353953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 38.

The square root of 28353953 is about 5324.8430023804. The cubic root of 28353953 is about 304.9330785720.

The spelling of 28353953 in words is "twenty-eight million, three hundred fifty-three thousand, nine hundred fifty-three".