28627051 has 2 divisors, whose sum is σ = 28627052. Its totient is φ = 28627050.

The previous prime is 28627013. The next prime is 28627057. The reversal of 28627051 is 15072682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28627051 is a prime.

It is not a weakly prime, because it can be changed into another prime (28627057) 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, 14313525 + 14313526.

It is an arithmetic number, because the mean of its divisors is an integer number (14313526).

Almost surely, 2^28627051 is an apocalyptic number.

28627051 is a deficient number, since it is larger than the sum of its proper divisors (1).

28627051 is an equidigital number, since it uses as much as digits as its factorization.

28627051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 28627051 is about 5350.4253101973. The cubic root of 28627051 is about 305.9089644754.

The spelling of 28627051 in words is "twenty-eight million, six hundred twenty-seven thousand, fifty-one".