64016225 has 48 divisors (see below), whose sum is σ = 102910080. Its totient is φ = 38361600.

The previous prime is 64016221. The next prime is 64016231. The reversal of 64016225 is 52261046.

It is not a de Polignac number, because 64016225 - 2² = 64016221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64016194 and 64016203.

It is not an unprimeable number, because it can be changed into a prime (64016221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42485 + ... + 43965.

It is an arithmetic number, because the mean of its divisors is an integer number (2143960).

Almost surely, 2^64016225 is an apocalyptic number.

64016225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64016225 is a deficient number, since it is larger than the sum of its proper divisors (38893855).

64016225 is a wasteful number, since it uses less digits than its factorization.

64016225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1525 counting only the distinct ones).

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

The square root of 64016225 is about 8001.0139982380. The cubic root of 64016225 is about 400.0337992273.

The spelling of 64016225 in words is "sixty-four million, sixteen thousand, two hundred twenty-five".