6400053225 has 54 divisors (see below), whose sum is σ = 11605791470. Its totient is φ = 3371420160.

The previous prime is 6400053197. The next prime is 6400053227. The reversal of 6400053225 is 5223500046.

It can be written as a sum of positive squares in 3 ways, for example, as 480135744 + 5919917481 = 21912^2 + 76941^2 .

It is not a de Polignac number, because 6400053225 - 2⁵ = 6400053193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6400053227) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1547961 + ... + 1552089.

Almost surely, 2^6400053225 is an apocalyptic number.

It is an amenable number.

6400053225 is a deficient number, since it is larger than the sum of its proper divisors (5205738245).

6400053225 is a wasteful number, since it uses less digits than its factorization.

6400053225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 6400053225 is about 80000.3326555584. The cubic root of 6400053225 is about 1856.6406802760.

The spelling of 6400053225 in words is "six billion, four hundred million, fifty-three thousand, two hundred twenty-five".