28475963 has 2 divisors, whose sum is σ = 28475964. Its totient is φ = 28475962.

The previous prime is 28475917. The next prime is 28475983. The reversal of 28475963 is 36957482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28475963 - 2¹² = 28471867 is a prime.

It is not a weakly prime, because it can be changed into another prime (28475983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14237981 + 14237982.

It is an arithmetic number, because the mean of its divisors is an integer number (14237982).

Almost surely, 2^28475963 is an apocalyptic number.

28475963 is a deficient number, since it is larger than the sum of its proper divisors (1).

28475963 is an equidigital number, since it uses as much as digits as its factorization.

28475963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 28475963 is about 5336.2873798175. The cubic root of 28475963 is about 305.3698389141.

The spelling of 28475963 in words is "twenty-eight million, four hundred seventy-five thousand, nine hundred sixty-three".