525350666 has 16 divisors (see below), whose sum is σ = 802165920. Its totient is φ = 257975280.

The previous prime is 525350663. The next prime is 525350699. The reversal of 525350666 is 666053525.

It is not an unprimeable number, because it can be changed into a prime (525350663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87245 + ... + 93071.

It is an arithmetic number, because the mean of its divisors is an integer number (50135370).

Almost surely, 2^525350666 is an apocalyptic number.

525350666 is a deficient number, since it is larger than the sum of its proper divisors (276815254).

525350666 is a wasteful number, since it uses less digits than its factorization.

525350666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629.

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 525350666 is about 22920.5293568888. The cubic root of 525350666 is about 806.8938940121.

The spelling of 525350666 in words is "five hundred twenty-five million, three hundred fifty thousand, six hundred sixty-six".