1025251085 has 8 divisors (see below), whose sum is σ = 1248664416. Its totient is φ = 807958800.

The previous prime is 1025251069. The next prime is 1025251187. The reversal of 1025251085 is 5801525201.

1025251085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1025251085 - 2⁴ = 1025251069 is a prime.

It is a super-2 number, since 2×1025251085² = 2102279574587354450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 1529891 + ... + 1530560.

It is an arithmetic number, because the mean of its divisors is an integer number (156083052).

Almost surely, 2^1025251085 is an apocalyptic number.

It is an amenable number.

1025251085 is a deficient number, since it is larger than the sum of its proper divisors (223413331).

1025251085 is an equidigital number, since it uses as much as digits as its factorization.

1025251085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060523.

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 1025251085 is about 32019.5422359533. The cubic root of 1025251085 is about 1008.3471594003.

Adding to 1025251085 its reverse (5801525201), we get a palindrome (6826776286).

The spelling of 1025251085 in words is "one billion, twenty-five million, two hundred fifty-one thousand, eighty-five".