428925733 has 2 divisors, whose sum is σ = 428925734. Its totient is φ = 428925732.

The previous prime is 428925677. The next prime is 428925751. The reversal of 428925733 is 337529824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425308129 + 3617604 = 20623^2 + 1902^2 .

It is a cyclic number.

It is not a de Polignac number, because 428925733 - 2¹⁷ = 428794661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428925733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428925773) 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, 214462866 + 214462867.

It is an arithmetic number, because the mean of its divisors is an integer number (214462867).

Almost surely, 2^428925733 is an apocalyptic number.

It is an amenable number.

428925733 is a deficient number, since it is larger than the sum of its proper divisors (1).

428925733 is an equidigital number, since it uses as much as digits as its factorization.

428925733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 428925733 is about 20710.5222773353. The cubic root of 428925733 is about 754.1551492816.

The spelling of 428925733 in words is "four hundred twenty-eight million, nine hundred twenty-five thousand, seven hundred thirty-three".