28524497 has 2 divisors, whose sum is σ = 28524498. Its totient is φ = 28524496.

The previous prime is 28524493. The next prime is 28524631. The reversal of 28524497 is 79442582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27290176 + 1234321 = 5224^2 + 1111^2 .

It is a cyclic number.

It is not a de Polignac number, because 28524497 - 2² = 28524493 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28524493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14262248 + 14262249.

It is an arithmetic number, because the mean of its divisors is an integer number (14262249).

Almost surely, 2^28524497 is an apocalyptic number.

It is an amenable number.

28524497 is a deficient number, since it is larger than the sum of its proper divisors (1).

28524497 is an equidigital number, since it uses as much as digits as its factorization.

28524497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 28524497 is about 5340.8329874655. The cubic root of 28524497 is about 305.5432296858.

The spelling of 28524497 in words is "twenty-eight million, five hundred twenty-four thousand, four hundred ninety-seven".