28053401 has 2 divisors, whose sum is σ = 28053402. Its totient is φ = 28053400.

The previous prime is 28053343. The next prime is 28053409. The reversal of 28053401 is 10435082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25806400 + 2247001 = 5080^2 + 1499^2 .

It is a cyclic number.

It is not a de Polignac number, because 28053401 - 2¹⁰ = 28052377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28053409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14026700 + 14026701.

It is an arithmetic number, because the mean of its divisors is an integer number (14026701).

Almost surely, 2^28053401 is an apocalyptic number.

It is an amenable number.

28053401 is a deficient number, since it is larger than the sum of its proper divisors (1).

28053401 is an equidigital number, since it uses as much as digits as its factorization.

28053401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 28053401 is about 5296.5461387587. The cubic root of 28053401 is about 303.8518185083.

Adding to 28053401 its reverse (10435082), we get a palindrome (38488483).

The spelling of 28053401 in words is "twenty-eight million, fifty-three thousand, four hundred one".