428539051 has 2 divisors, whose sum is σ = 428539052. Its totient is φ = 428539050.

The previous prime is 428539037. The next prime is 428539063. The reversal of 428539051 is 150935824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428539051 - 2⁷ = 428538923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428539051.

It is not a weakly prime, because it can be changed into another prime (428539751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214269525 + 214269526.

It is an arithmetic number, because the mean of its divisors is an integer number (214269526).

Almost surely, 2^428539051 is an apocalyptic number.

428539051 is a deficient number, since it is larger than the sum of its proper divisors (1).

428539051 is an equidigital number, since it uses as much as digits as its factorization.

428539051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 428539051 is about 20701.1847728578. The cubic root of 428539051 is about 753.9284543277.

The spelling of 428539051 in words is "four hundred twenty-eight million, five hundred thirty-nine thousand, fifty-one".