28546901 has 2 divisors, whose sum is σ = 28546902. Its totient is φ = 28546900.

The previous prime is 28546879. The next prime is 28546919. The reversal of 28546901 is 10964582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28366276 + 180625 = 5326^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 28546901 - 2¹⁸ = 28284757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28546981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14273450 + 14273451.

It is an arithmetic number, because the mean of its divisors is an integer number (14273451).

Almost surely, 2^28546901 is an apocalyptic number.

It is an amenable number.

28546901 is a deficient number, since it is larger than the sum of its proper divisors (1).

28546901 is an equidigital number, since it uses as much as digits as its factorization.

28546901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 28546901 is about 5342.9300014131. The cubic root of 28546901 is about 305.6232030401.

The spelling of 28546901 in words is "twenty-eight million, five hundred forty-six thousand, nine hundred one".