28325701 has 2 divisors, whose sum is σ = 28325702. Its totient is φ = 28325700.

The previous prime is 28325677. The next prime is 28325707. The reversal of 28325701 is 10752382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24265476 + 4060225 = 4926^2 + 2015^2 .

It is a cyclic number.

It is not a de Polignac number, because 28325701 - 2⁵ = 28325669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28325701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28325707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14162850 + 14162851.

It is an arithmetic number, because the mean of its divisors is an integer number (14162851).

Almost surely, 2^28325701 is an apocalyptic number.

It is an amenable number.

28325701 is a deficient number, since it is larger than the sum of its proper divisors (1).

28325701 is an equidigital number, since it uses as much as digits as its factorization.

28325701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 28325701 is about 5322.1894930564. The cubic root of 28325701 is about 304.8317660408.

The spelling of 28325701 in words is "twenty-eight million, three hundred twenty-five thousand, seven hundred one".