28254001 has 2 divisors, whose sum is σ = 28254002. Its totient is φ = 28254000.

The previous prime is 28253987. The next prime is 28254011. The reversal of 28254001 is 10045282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18792225 + 9461776 = 4335^2 + 3076^2 .

It is a cyclic number.

It is not a de Polignac number, because 28254001 - 2¹¹ = 28251953 is a prime.

It is not a weakly prime, because it can be changed into another prime (28254011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14127000 + 14127001.

It is an arithmetic number, because the mean of its divisors is an integer number (14127001).

Almost surely, 2^28254001 is an apocalyptic number.

It is an amenable number.

28254001 is a deficient number, since it is larger than the sum of its proper divisors (1).

28254001 is an equidigital number, since it uses as much as digits as its factorization.

28254001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 28254001 is about 5315.4492754611. The cubic root of 28254001 is about 304.5743448726.

Adding to 28254001 its reverse (10045282), we get a palindrome (38299283).

The spelling of 28254001 in words is "twenty-eight million, two hundred fifty-four thousand, one".