625852217 has 8 divisors (see below), whose sum is σ = 628689600. Its totient is φ = 623022160.

The previous prime is 625852189. The next prime is 625852223. The reversal of 625852217 is 712258526.

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

It is a cyclic number.

It is not a de Polignac number, because 625852217 - 2¹⁸ = 625590073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625852417) 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, 230534 + ... + 233232.

It is an arithmetic number, because the mean of its divisors is an integer number (78586200).

Almost surely, 2^625852217 is an apocalyptic number.

It is an amenable number.

625852217 is a deficient number, since it is larger than the sum of its proper divisors (2837383).

625852217 is a wasteful number, since it uses less digits than its factorization.

625852217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663.

The product of its digits is 67200, while the sum is 38.

The square root of 625852217 is about 25017.0385337673. The cubic root of 625852217 is about 855.3764023304.

The spelling of 625852217 in words is "six hundred twenty-five million, eight hundred fifty-two thousand, two hundred seventeen".