625200645 has 8 divisors (see below), whose sum is σ = 1000321056. Its totient is φ = 333440336.

The previous prime is 625200617. The next prime is 625200649. The reversal of 625200645 is 546002526.

625200645 = 5885² + 5886² + ... + 5902².

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 625200645 - 2⁵ = 625200613 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625200649) 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 7 ways as a sum of consecutive naturals, for example, 20840007 + ... + 20840036.

It is an arithmetic number, because the mean of its divisors is an integer number (125040132).

Almost surely, 2^625200645 is an apocalyptic number.

It is an amenable number.

625200645 is a deficient number, since it is larger than the sum of its proper divisors (375120411).

625200645 is a wasteful number, since it uses less digits than its factorization.

625200645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41680051.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 625200645 is about 25004.0125779844. The cubic root of 625200645 is about 855.0794563824.

The spelling of 625200645 in words is "six hundred twenty-five million, two hundred thousand, six hundred forty-five".