625075565 has 4 divisors (see below), whose sum is σ = 750090684. Its totient is φ = 500060448.

The previous prime is 625075553. The next prime is 625075603. The reversal of 625075565 is 565570526.

625075565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 235131556 + 389944009 = 15334^2 + 19747^2 .

It is a cyclic number.

It is not a de Polignac number, because 625075565 - 2¹⁸ = 624813421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62507552 + ... + 62507561.

It is an arithmetic number, because the mean of its divisors is an integer number (187522671).

Almost surely, 2^625075565 is an apocalyptic number.

It is an amenable number.

625075565 is a deficient number, since it is larger than the sum of its proper divisors (125015119).

625075565 is a wasteful number, since it uses less digits than its factorization.

625075565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125015118.

The product of its (nonzero) digits is 315000, while the sum is 41.

The square root of 625075565 is about 25001.5112543222. The cubic root of 625075565 is about 855.0224291051.

The spelling of 625075565 in words is "six hundred twenty-five million, seventy-five thousand, five hundred sixty-five".