1028025715 has 8 divisors (see below), whose sum is σ = 1233880128. Its totient is φ = 822254400.

The previous prime is 1028025707. The next prime is 1028025737. The reversal of 1028025715 is 5175208201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1028025715 - 2³ = 1028025707 is a prime.

It is a super-2 number, since 2×1028025715² = 2113673741402522450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10815 + ... + 46615.

It is an arithmetic number, because the mean of its divisors is an integer number (154235016).

Almost surely, 2^1028025715 is an apocalyptic number.

1028025715 is a deficient number, since it is larger than the sum of its proper divisors (205854413).

1028025715 is an equidigital number, since it uses as much as digits as its factorization.

1028025715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41549.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 1028025715 is about 32062.8400956621. The cubic root of 1028025715 is about 1009.2559677327.

The spelling of 1028025715 in words is "one billion, twenty-eight million, twenty-five thousand, seven hundred fifteen".