1025943081 has 8 divisors (see below), whose sum is σ = 1448390304. Its totient is φ = 643728960.

The previous prime is 1025943049. The next prime is 1025943089. The reversal of 1025943081 is 1803495201.

1025943081 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 1025943081 - 2⁵ = 1025943049 is a prime.

It is a super-2 number, since 2×1025943081² = 2105118410903545122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025943089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10058215 + ... + 10058316.

It is an arithmetic number, because the mean of its divisors is an integer number (181048788).

Almost surely, 2^1025943081 is an apocalyptic number.

It is an amenable number.

1025943081 is a deficient number, since it is larger than the sum of its proper divisors (422447223).

1025943081 is a wasteful number, since it uses less digits than its factorization.

1025943081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20116551.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1025943081 is about 32030.3462516408. The cubic root of 1025943081 is about 1008.5739705955.

The spelling of 1025943081 in words is "one billion, twenty-five million, nine hundred forty-three thousand, eighty-one".