1028305607 has 4 divisors (see below), whose sum is σ = 1175206416. Its totient is φ = 881404800.

The previous prime is 1028305601. The next prime is 1028305613. The reversal of 1028305607 is 7065038201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7065038201 = 13 ⋅543464477.

It is an interprime number because it is at equal distance from previous prime (1028305601) and next prime (1028305613).

It is a cyclic number.

It is not a de Polignac number, because 1028305607 - 2¹⁶ = 1028240071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028305601) 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 in 3 ways as a sum of consecutive naturals, for example, 73450394 + ... + 73450407.

It is an arithmetic number, because the mean of its divisors is an integer number (293801604).

Almost surely, 2^1028305607 is an apocalyptic number.

1028305607 is a deficient number, since it is larger than the sum of its proper divisors (146900809).

1028305607 is an equidigital number, since it uses as much as digits as its factorization.

1028305607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146900808.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1028305607 is about 32067.2045398410. The cubic root of 1028305607 is about 1009.3475533272.

The spelling of 1028305607 in words is "one billion, twenty-eight million, three hundred five thousand, six hundred seven".