2305481997 has 48 divisors (see below), whose sum is σ = 3975240192. Its totient is φ = 1176819840.

The previous prime is 2305481989. The next prime is 2305482017. The reversal of 2305481997 is 7991845032.

2305481997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2305481997 - 2³ = 2305481989 is a prime.

It is a super-2 number, since 2×2305481997² = 10630494476982216018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305481957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39783 + ... + 78699.

It is an arithmetic number, because the mean of its divisors is an integer number (82817504).

Almost surely, 2^2305481997 is an apocalyptic number.

It is an amenable number.

2305481997 is a deficient number, since it is larger than the sum of its proper divisors (1669758195).

2305481997 is a wasteful number, since it uses less digits than its factorization.

2305481997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38978 (or 38971 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 2305481997 is about 48015.4349870956. The cubic root of 2305481997 is about 1321.0540244104.

The spelling of 2305481997 in words is "two billion, three hundred five million, four hundred eighty-one thousand, nine hundred ninety-seven".