64106225 has 6 divisors (see below), whose sum is σ = 79491750. Its totient is φ = 51284960.

The previous prime is 64106213. The next prime is 64106227. The reversal of 64106225 is 52260146.

It can be written as a sum of positive squares in 3 ways, for example, as 11587216 + 52519009 = 3404^2 + 7247^2 .

It is not a de Polignac number, because 64106225 - 2¹⁴ = 64089841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64106194 and 64106203.

It is not an unprimeable number, because it can be changed into a prime (64106227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1282100 + ... + 1282149.

It is an arithmetic number, because the mean of its divisors is an integer number (13248625).

Almost surely, 2^64106225 is an apocalyptic number.

It is an amenable number.

64106225 is a deficient number, since it is larger than the sum of its proper divisors (15385525).

64106225 is a wasteful number, since it uses less digits than its factorization.

64106225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564259 (or 2564254 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 64106225 is about 8006.6363099619. The cubic root of 64106225 is about 400.2211797596.

The spelling of 64106225 in words is "sixty-four million, one hundred six thousand, two hundred twenty-five".