6445025 has 12 divisors (see below), whose sum is σ = 8106624. Its totient is φ = 5082000.

The previous prime is 6445003. The next prime is 6445051. The reversal of 6445025 is 5205446.

6445025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6445025 - 2⁶ = 6444961 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6444985 and 6445003.

It is a congruent 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, 41 + ... + 3590.

It is an arithmetic number, because the mean of its divisors is an integer number (675552).

Almost surely, 2^6445025 is an apocalyptic number.

It is an amenable number.

6445025 is a deficient number, since it is larger than the sum of its proper divisors (1661599).

6445025 is a wasteful number, since it uses less digits than its factorization.

6445025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 3707 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 6445025 is about 2538.7053787315. The cubic root of 6445025 is about 186.0979270051.

The spelling of 6445025 in words is "six million, four hundred forty-five thousand, twenty-five".