28882537 has 2 divisors, whose sum is σ = 28882538. Its totient is φ = 28882536.

The previous prime is 28882519. The next prime is 28882543. The reversal of 28882537 is 73528882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26739241 + 2143296 = 5171^2 + 1464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28882537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28882493 and 28882502.

It is not a weakly prime, because it can be changed into another prime (28882517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14441268 + 14441269.

It is an arithmetic number, because the mean of its divisors is an integer number (14441269).

Almost surely, 2^28882537 is an apocalyptic number.

It is an amenable number.

28882537 is a deficient number, since it is larger than the sum of its proper divisors (1).

28882537 is an equidigital number, since it uses as much as digits as its factorization.

28882537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 43.

The square root of 28882537 is about 5374.2475752425. The cubic root of 28882537 is about 306.8163125716.

The spelling of 28882537 in words is "twenty-eight million, eight hundred eighty-two thousand, five hundred thirty-seven".