625534066 has 8 divisors (see below), whose sum is σ = 938529900. Its totient is φ = 312690768.

The previous prime is 625533991. The next prime is 625534067. The reversal of 625534066 is 660435526.

It can be written as a sum of positive squares in 2 ways, for example, as 514337041 + 111197025 = 22679^2 + 10545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (625534067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27261 + ... + 44656.

Almost surely, 2^625534066 is an apocalyptic number.

625534066 is a deficient number, since it is larger than the sum of its proper divisors (312995834).

625534066 is a wasteful number, since it uses less digits than its factorization.

625534066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76268.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 625534066 is about 25010.6790391625. The cubic root of 625534066 is about 855.2314346755.

The spelling of 625534066 in words is "six hundred twenty-five million, five hundred thirty-four thousand, sixty-six".