6415533325 has 6 divisors (see below), whose sum is σ = 7955261354. Its totient is φ = 5132426640.

The previous prime is 6415533301. The next prime is 6415533329. The reversal of 6415533325 is 5233355146.

It can be written as a sum of positive squares in 3 ways, for example, as 5769604 + 6409763721 = 2402^2 + 80061^2 .

It is not a de Polignac number, because 6415533325 - 2⁷ = 6415533197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6415533329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128310642 + ... + 128310691.

Almost surely, 2^6415533325 is an apocalyptic number.

It is an amenable number.

6415533325 is a deficient number, since it is larger than the sum of its proper divisors (1539728029).

6415533325 is a wasteful number, since it uses less digits than its factorization.

6415533325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256621343 (or 256621338 counting only the distinct ones).

The product of its digits is 162000, while the sum is 37.

The square root of 6415533325 is about 80097.0244453563. The cubic root of 6415533325 is about 1858.1363887801.

The spelling of 6415533325 in words is "six billion, four hundred fifteen million, five hundred thirty-three thousand, three hundred twenty-five".