28514771 has 2 divisors, whose sum is σ = 28514772. Its totient is φ = 28514770.

The previous prime is 28514767. The next prime is 28514777. The reversal of 28514771 is 17741582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28514771 - 2² = 28514767 is a prime.

It is not a weakly prime, because it can be changed into another prime (28514777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14257385 + 14257386.

It is an arithmetic number, because the mean of its divisors is an integer number (14257386).

Almost surely, 2^28514771 is an apocalyptic number.

28514771 is a deficient number, since it is larger than the sum of its proper divisors (1).

28514771 is an equidigital number, since it uses as much as digits as its factorization.

28514771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 35.

The square root of 28514771 is about 5339.9223777130. The cubic root of 28514771 is about 305.5084987051.

The spelling of 28514771 in words is "twenty-eight million, five hundred fourteen thousand, seven hundred seventy-one".