2431664225 has 12 divisors (see below), whose sum is σ = 3029560560. Its totient is φ = 1936107600.

The previous prime is 2431664219. The next prime is 2431664269. The reversal of 2431664225 is 5224661342.

It is not a de Polignac number, because 2431664225 - 2¹² = 2431660129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225215 + ... + 235764.

It is an arithmetic number, because the mean of its divisors is an integer number (252463380).

Almost surely, 2^2431664225 is an apocalyptic number.

2431664225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2431664225 is a deficient number, since it is larger than the sum of its proper divisors (597896335).

2431664225 is a wasteful number, since it uses less digits than its factorization.

2431664225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461200 (or 461195 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 2431664225 is about 49311.9075376323. The cubic root of 2431664225 is about 1344.7282702169.

The spelling of 2431664225 in words is "two billion, four hundred thirty-one million, six hundred sixty-four thousand, two hundred twenty-five".