525925066 has 4 divisors (see below), whose sum is σ = 788887602. Its totient is φ = 262962532.

The previous prime is 525925051. The next prime is 525925097. The reversal of 525925066 is 660529525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 437019025 + 88906041 = 20905^2 + 9429^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131481265 + ... + 131481268.

Almost surely, 2^525925066 is an apocalyptic number.

525925066 is a deficient number, since it is larger than the sum of its proper divisors (262962536).

525925066 is a wasteful number, since it uses less digits than its factorization.

525925066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262962535.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 525925066 is about 22933.0561853408. The cubic root of 525925066 is about 807.1878633978.

The spelling of 525925066 in words is "five hundred twenty-five million, nine hundred twenty-five thousand, sixty-six".