28410913 has 2 divisors, whose sum is σ = 28410914. Its totient is φ = 28410912.

The previous prime is 28410883. The next prime is 28410937. The reversal of 28410913 is 31901482.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20277009 + 8133904 = 4503^2 + 2852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28410913 is a prime.

It is not a weakly prime, because it can be changed into another prime (28410013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14205456 + 14205457.

It is an arithmetic number, because the mean of its divisors is an integer number (14205457).

Almost surely, 2^28410913 is an apocalyptic number.

It is an amenable number.

28410913 is a deficient number, since it is larger than the sum of its proper divisors (1).

28410913 is an equidigital number, since it uses as much as digits as its factorization.

28410913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 28410913 is about 5330.1888334279. The cubic root of 28410913 is about 305.1371344265.

The spelling of 28410913 in words is "twenty-eight million, four hundred ten thousand, nine hundred thirteen".