2025709081 has 8 divisors (see below), whose sum is σ = 2210390784. Its totient is φ = 1841115120.

The previous prime is 2025709067. The next prime is 2025709093. The reversal of 2025709081 is 1809075202.

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

It is a cyclic number.

It is not a de Polignac number, because 2025709081 - 2⁷ = 2025708953 is a prime.

It is a super-2 number, since 2×2025709081² = 8206994561691729122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2025700081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32155 + ... + 71311.

It is an arithmetic number, because the mean of its divisors is an integer number (276298848).

Almost surely, 2^2025709081 is an apocalyptic number.

It is an amenable number.

2025709081 is a deficient number, since it is larger than the sum of its proper divisors (184681703).

2025709081 is a wasteful number, since it uses less digits than its factorization.

2025709081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43871.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 2025709081 is about 45007.8779881922. The cubic root of 2025709081 is about 1265.2966503686.

The spelling of 2025709081 in words is "two billion, twenty-five million, seven hundred nine thousand, eighty-one".