28054951 has 2 divisors, whose sum is σ = 28054952. Its totient is φ = 28054950.

The previous prime is 28054931. The next prime is 28054973. The reversal of 28054951 is 15945082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28054951 - 2¹⁹ = 27530663 is a prime.

It is a super-2 number, since 2×28054951² = 1574160551224802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28054921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027475 + 14027476.

It is an arithmetic number, because the mean of its divisors is an integer number (14027476).

Almost surely, 2^28054951 is an apocalyptic number.

28054951 is a deficient number, since it is larger than the sum of its proper divisors (1).

28054951 is an equidigital number, since it uses as much as digits as its factorization.

28054951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 28054951 is about 5296.6924585065. The cubic root of 28054951 is about 303.8574145219.

The spelling of 28054951 in words is "twenty-eight million, fifty-four thousand, nine hundred fifty-one".