625210085 has 8 divisors (see below), whose sum is σ = 751247736. Its totient is φ = 499504320.

The previous prime is 625210057. The next prime is 625210087. The reversal of 625210085 is 580012526.

It can be written as a sum of positive squares in 4 ways, for example, as 253414561 + 371795524 = 15919^2 + 19282^2 .

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

It is not a de Polignac number, because 625210085 - 2⁶ = 625210021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625210087) 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, 78806 + ... + 86375.

It is an arithmetic number, because the mean of its divisors is an integer number (93905967).

Almost surely, 2^625210085 is an apocalyptic number.

It is an amenable number.

625210085 is a deficient number, since it is larger than the sum of its proper divisors (126037651).

625210085 is a wasteful number, since it uses less digits than its factorization.

625210085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165943.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 625210085 is about 25004.2013469737. The cubic root of 625210085 is about 855.0837600192.

The spelling of 625210085 in words is "six hundred twenty-five million, two hundred ten thousand, eighty-five".