667522325 has 24 divisors (see below), whose sum is σ = 851954400. Its totient is φ = 518535360.

The previous prime is 667522321. The next prime is 667522337. The reversal of 667522325 is 523225766.

It is a happy number.

667522325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 667522325 - 2² = 667522321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667522321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190691 + ... + 194159.

It is an arithmetic number, because the mean of its divisors is an integer number (35498100).

Almost surely, 2^667522325 is an apocalyptic number.

It is an amenable number.

667522325 is a deficient number, since it is larger than the sum of its proper divisors (184432075).

667522325 is a wasteful number, since it uses less digits than its factorization.

667522325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701 (or 3696 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The square root of 667522325 is about 25836.4534137331. The cubic root of 667522325 is about 873.9540481542.

The spelling of 667522325 in words is "six hundred sixty-seven million, five hundred twenty-two thousand, three hundred twenty-five".