28233607 has 2 divisors, whose sum is σ = 28233608. Its totient is φ = 28233606.

The previous prime is 28233589. The next prime is 28233613. The reversal of 28233607 is 70633282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28233607 - 2¹⁵ = 28200839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28233637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14116803 + 14116804.

It is an arithmetic number, because the mean of its divisors is an integer number (14116804).

Almost surely, 2^28233607 is an apocalyptic number.

28233607 is a deficient number, since it is larger than the sum of its proper divisors (1).

28233607 is an equidigital number, since it uses as much as digits as its factorization.

28233607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 28233607 is about 5313.5305588657. The cubic root of 28233607 is about 304.5010457047.

Adding to 28233607 its reverse (70633282), we get a palindrome (98866889).

The spelling of 28233607 in words is "twenty-eight million, two hundred thirty-three thousand, six hundred seven".