28333007 has 2 divisors, whose sum is σ = 28333008. Its totient is φ = 28333006.

The previous prime is 28332991. The next prime is 28333013. The reversal of 28333007 is 70033382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28333007 - 2⁴ = 28332991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28333037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14166503 + 14166504.

It is an arithmetic number, because the mean of its divisors is an integer number (14166504).

Almost surely, 2^28333007 is an apocalyptic number.

28333007 is a deficient number, since it is larger than the sum of its proper divisors (1).

28333007 is an equidigital number, since it uses as much as digits as its factorization.

28333007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 28333007 is about 5322.8758204565. The cubic root of 28333007 is about 304.8579720345.

Adding to 28333007 its reverse (70033382), we get a palindrome (98366389).

The spelling of 28333007 in words is "twenty-eight million, three hundred thirty-three thousand, seven".