625212255 has 16 divisors (see below), whose sum is σ = 1000921824. Its totient is φ = 333252480.

The previous prime is 625212227. The next prime is 625212257. The reversal of 625212255 is 552212526.

It is not a de Polignac number, because 625212255 - 2¹⁵ = 625179487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625212257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16717 + ... + 39113.

It is an arithmetic number, because the mean of its divisors is an integer number (62557614).

Almost surely, 2^625212255 is an apocalyptic number.

625212255 is a deficient number, since it is larger than the sum of its proper divisors (375709569).

625212255 is a wasteful number, since it uses less digits than its factorization.

625212255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24266.

The product of its digits is 12000, while the sum is 30.

The square root of 625212255 is about 25004.2447396437. The cubic root of 625212255 is about 855.0847493024.

The spelling of 625212255 in words is "six hundred twenty-five million, two hundred twelve thousand, two hundred fifty-five".