2025318913 has 4 divisors (see below), whose sum is σ = 2080057300. Its totient is φ = 1970580528.

The previous prime is 2025318881. The next prime is 2025318929. The reversal of 2025318913 is 3198135202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1407150144 + 618168769 = 37512^2 + 24863^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025318913 - 2⁵ = 2025318881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2025318983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27369138 + ... + 27369211.

It is an arithmetic number, because the mean of its divisors is an integer number (520014325).

Almost surely, 2^2025318913 is an apocalyptic number.

It is an amenable number.

2025318913 is a deficient number, since it is larger than the sum of its proper divisors (54738387).

2025318913 is an equidigital number, since it uses as much as digits as its factorization.

2025318913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54738386.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2025318913 is about 45003.5433382750. The cubic root of 2025318913 is about 1265.2154096865.

The spelling of 2025318913 in words is "two billion, twenty-five million, three hundred eighteen thousand, nine hundred thirteen".