625905105 has 16 divisors (see below), whose sum is σ = 1144512384. Its totient is φ = 286128000.

The previous prime is 625905103. The next prime is 625905107. The reversal of 625905105 is 501509526.

625905105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (625905103) and next prime (625905107).

It is not a de Polignac number, because 625905105 - 2¹ = 625905103 is a prime.

It is a super-2 number, since 2×625905105² = 783514400930122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (625905101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2980396 + ... + 2980605.

It is an arithmetic number, because the mean of its divisors is an integer number (71532024).

Almost surely, 2^625905105 is an apocalyptic number.

It is an amenable number.

625905105 is a deficient number, since it is larger than the sum of its proper divisors (518607279).

625905105 is a wasteful number, since it uses less digits than its factorization.

625905105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5961016.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 625905105 is about 25018.0955510207. The cubic root of 625905105 is about 855.4004963426.

The spelling of 625905105 in words is "six hundred twenty-five million, nine hundred five thousand, one hundred five".