625264105 has 8 divisors (see below), whose sum is σ = 750749832. Its totient is φ = 499922688.

The previous prime is 625264093. The next prime is 625264109. The reversal of 625264105 is 501462526.

It can be written as a sum of positive squares in 4 ways, for example, as 913936 + 624350169 = 956^2 + 24987^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625264105 is a prime.

It is a super-3 number, since 3×625264105³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625264109) 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, 26302 + ... + 44071.

It is an arithmetic number, because the mean of its divisors is an integer number (93843729).

Almost surely, 2^625264105 is an apocalyptic number.

It is an amenable number.

625264105 is a deficient number, since it is larger than the sum of its proper divisors (125485727).

625264105 is a wasteful number, since it uses less digits than its factorization.

625264105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72155.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 625264105 is about 25005.2815421063. The cubic root of 625264105 is about 855.1083865650.

The spelling of 625264105 in words is "six hundred twenty-five million, two hundred sixty-four thousand, one hundred five".