28603361 has 2 divisors, whose sum is σ = 28603362. Its totient is φ = 28603360.

The previous prime is 28603339. The next prime is 28603369. The reversal of 28603361 is 16330682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19936225 + 8667136 = 4465^2 + 2944^2 .

It is a cyclic number.

It is not a de Polignac number, because 28603361 - 2¹⁰ = 28602337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28603369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14301680 + 14301681.

It is an arithmetic number, because the mean of its divisors is an integer number (14301681).

Almost surely, 2^28603361 is an apocalyptic number.

It is an amenable number.

28603361 is a deficient number, since it is larger than the sum of its proper divisors (1).

28603361 is an equidigital number, since it uses as much as digits as its factorization.

28603361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 28603361 is about 5348.2110093002. The cubic root of 28603361 is about 305.8245573257.

The spelling of 28603361 in words is "twenty-eight million, six hundred three thousand, three hundred sixty-one".