28654601 has 2 divisors, whose sum is σ = 28654602. Its totient is φ = 28654600.

The previous prime is 28654579. The next prime is 28654657. The reversal of 28654601 is 10645682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27573001 + 1081600 = 5251^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 28654601 - 2¹⁸ = 28392457 is a prime.

It is not a weakly prime, because it can be changed into another prime (28656601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14327300 + 14327301.

It is an arithmetic number, because the mean of its divisors is an integer number (14327301).

Almost surely, 2^28654601 is an apocalyptic number.

It is an amenable number.

28654601 is a deficient number, since it is larger than the sum of its proper divisors (1).

28654601 is an equidigital number, since it uses as much as digits as its factorization.

28654601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 28654601 is about 5352.9992527554. Note that the first 3 decimals coincide. The cubic root of 28654601 is about 306.0070662073.

The spelling of 28654601 in words is "twenty-eight million, six hundred fifty-four thousand, six hundred one".