6432842025 has 27 divisors (see below), whose sum is σ = 11524090071. Its totient is φ = 3430207440.

The previous prime is 6432841999. The next prime is 6432842029. The reversal of 6432842025 is 5202482346.

The square root of 6432842025 is 80205.

It is a perfect power (a square), and thus also a powerful number.

6432842025 is a `hidden beast` number, since 643 + 2 + 8 + 4 + 2 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2315823129 + 4117018896 = 48123^2 + 64164^2 .

It is not a de Polignac number, because 6432842025 - 2⁵ = 6432841993 is a prime.

It is a super-2 number, since 2×6432842025² = 82762913037212201250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6432842029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1200402 + ... + 1205748.

Almost surely, 2^6432842025 is an apocalyptic number.

6432842025 is the 80205-th square number.

6432842025 is the 40103-rd centered octagonal number.

It is an amenable number.

6432842025 is a deficient number, since it is larger than the sum of its proper divisors (5091248046).

6432842025 is an frugal number, since it uses more digits than its factorization.

6432842025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10710 (or 5355 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The cubic root of 6432842025 is about 1859.8059327526.

Multiplying 6432842025 by its sum of digits (36), we get a square (231582312900 = 481230²).

The spelling of 6432842025 in words is "six billion, four hundred thirty-two million, eight hundred forty-two thousand, twenty-five".