525668906 has 32 divisors (see below), whose sum is σ = 937923840. Its totient is φ = 216187776.

The previous prime is 525668867. The next prime is 525668909. The reversal of 525668906 is 609866525.

It is not an unprimeable number, because it can be changed into a prime (525668909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63926 + ... + 71678.

It is an arithmetic number, because the mean of its divisors is an integer number (29310120).

Almost surely, 2^525668906 is an apocalyptic number.

525668906 is a deficient number, since it is larger than the sum of its proper divisors (412254934).

525668906 is a wasteful number, since it uses less digits than its factorization.

525668906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7958.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 525668906 is about 22927.4705539011. The cubic root of 525668906 is about 807.0567909722.

The spelling of 525668906 in words is "five hundred twenty-five million, six hundred sixty-eight thousand, nine hundred six".