28612097 has 2 divisors, whose sum is σ = 28612098. Its totient is φ = 28612096.

The previous prime is 28612091. The next prime is 28612123. The reversal of 28612097 is 79021682.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21381376 + 7230721 = 4624^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 28612097 - 2²⁴ = 11834881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28612091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14306048 + 14306049.

It is an arithmetic number, because the mean of its divisors is an integer number (14306049).

Almost surely, 2^28612097 is an apocalyptic number.

It is an amenable number.

28612097 is a deficient number, since it is larger than the sum of its proper divisors (1).

28612097 is an equidigital number, since it uses as much as digits as its factorization.

28612097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 28612097 is about 5349.0276686516. The cubic root of 28612097 is about 305.8556889980.

The spelling of 28612097 in words is "twenty-eight million, six hundred twelve thousand, ninety-seven".