28462529 has 2 divisors, whose sum is σ = 28462530. Its totient is φ = 28462528.

The previous prime is 28462463. The next prime is 28462541. The reversal of 28462529 is 92526482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24522304 + 3940225 = 4952^2 + 1985^2 .

It is a cyclic number.

It is not a de Polignac number, because 28462529 - 2¹⁶ = 28396993 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28462492 and 28462501.

It is not a weakly prime, because it can be changed into another prime (28462549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14231264 + 14231265.

It is an arithmetic number, because the mean of its divisors is an integer number (14231265).

Almost surely, 2^28462529 is an apocalyptic number.

It is an amenable number.

28462529 is a deficient number, since it is larger than the sum of its proper divisors (1).

28462529 is an equidigital number, since it uses as much as digits as its factorization.

28462529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 28462529 is about 5335.0284910205. The cubic root of 28462529 is about 305.3218102932.

The spelling of 28462529 in words is "twenty-eight million, four hundred sixty-two thousand, five hundred twenty-nine".