28371241 has 2 divisors, whose sum is σ = 28371242. Its totient is φ = 28371240.

The previous prime is 28371229. The next prime is 28371263. The reversal of 28371241 is 14217382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16777216 + 11594025 = 4096^2 + 3405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28371241 is a prime.

It is not a weakly prime, because it can be changed into another prime (28371281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14185620 + 14185621.

It is an arithmetic number, because the mean of its divisors is an integer number (14185621).

Almost surely, 2^28371241 is an apocalyptic number.

It is an amenable number.

28371241 is a deficient number, since it is larger than the sum of its proper divisors (1).

28371241 is an equidigital number, since it uses as much as digits as its factorization.

28371241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 28371241 is about 5326.4660892566. The cubic root of 28371241 is about 304.9950406790.

The spelling of 28371241 in words is "twenty-eight million, three hundred seventy-one thousand, two hundred forty-one".