625065145 has 4 divisors (see below), whose sum is σ = 750078180. Its totient is φ = 500052112.

The previous prime is 625065137. The next prime is 625065167. The reversal of 625065145 is 541560526.

625065145 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 430853049 + 194212096 = 20757^2 + 13936^2 .

It is a cyclic number.

It is not a de Polignac number, because 625065145 - 2³ = 625065137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 625065145.

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, 62506510 + ... + 62506519.

It is an arithmetic number, because the mean of its divisors is an integer number (187519545).

Almost surely, 2^625065145 is an apocalyptic number.

It is an amenable number.

625065145 is a deficient number, since it is larger than the sum of its proper divisors (125013035).

625065145 is a wasteful number, since it uses less digits than its factorization.

625065145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125013034.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 625065145 is about 25001.3028660508. The cubic root of 625065145 is about 855.0176780085.

The spelling of 625065145 in words is "six hundred twenty-five million, sixty-five thousand, one hundred forty-five".