28710413 has 2 divisors, whose sum is σ = 28710414. Its totient is φ = 28710412.

The previous prime is 28710391. The next prime is 28710419. The reversal of 28710413 is 31401782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16752649 + 11957764 = 4093^2 + 3458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28710413 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28710419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14355206 + 14355207.

It is an arithmetic number, because the mean of its divisors is an integer number (14355207).

Almost surely, 2^28710413 is an apocalyptic number.

It is an amenable number.

28710413 is a deficient number, since it is larger than the sum of its proper divisors (1).

28710413 is an equidigital number, since it uses as much as digits as its factorization.

28710413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 28710413 is about 5358.2098689768. The cubic root of 28710413 is about 306.2056124478.

The spelling of 28710413 in words is "twenty-eight million, seven hundred ten thousand, four hundred thirteen".