28050497 has 2 divisors, whose sum is σ = 28050498. Its totient is φ = 28050496.

The previous prime is 28050487. The next prime is 28050509. The reversal of 28050497 is 79405082.

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., 19044496 + 9006001 = 4364^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 28050497 - 2⁶ = 28050433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28050487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14025248 + 14025249.

It is an arithmetic number, because the mean of its divisors is an integer number (14025249).

Almost surely, 2^28050497 is an apocalyptic number.

It is an amenable number.

28050497 is a deficient number, since it is larger than the sum of its proper divisors (1).

28050497 is an equidigital number, since it uses as much as digits as its factorization.

28050497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 28050497 is about 5296.2719907497. The cubic root of 28050497 is about 303.8413335510.

The spelling of 28050497 in words is "twenty-eight million, fifty thousand, four hundred ninety-seven".