28601357 has 2 divisors, whose sum is σ = 28601358. Its totient is φ = 28601356.

The previous prime is 28601347. The next prime is 28601381. The reversal of 28601357 is 75310682.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28526281 + 75076 = 5341^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 28601357 - 2⁴ = 28601341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28601347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300678 + 14300679.

It is an arithmetic number, because the mean of its divisors is an integer number (14300679).

Almost surely, 2^28601357 is an apocalyptic number.

It is an amenable number.

28601357 is a deficient number, since it is larger than the sum of its proper divisors (1).

28601357 is an equidigital number, since it uses as much as digits as its factorization.

28601357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 28601357 is about 5348.0236536500. The cubic root of 28601357 is about 305.8174149631.

The spelling of 28601357 in words is "twenty-eight million, six hundred one thousand, three hundred fifty-seven".