625745255 has 8 divisors (see below), whose sum is σ = 751585392. Its totient is φ = 500135488.

The previous prime is 625745251. The next prime is 625745279. The reversal of 625745255 is 552547526.

625745255 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 625745255 - 2² = 625745251 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 (625745251) 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, 51557 + ... + 62526.

It is an arithmetic number, because the mean of its divisors is an integer number (93948174).

Almost surely, 2^625745255 is an apocalyptic number.

625745255 is a deficient number, since it is larger than the sum of its proper divisors (125840137).

625745255 is a wasteful number, since it uses less digits than its factorization.

625745255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115185.

The product of its digits is 420000, while the sum is 41.

The square root of 625745255 is about 25014.9006594070. The cubic root of 625745255 is about 855.3276698549.

The spelling of 625745255 in words is "six hundred twenty-five million, seven hundred forty-five thousand, two hundred fifty-five".