625141221 has 16 divisors (see below), whose sum is σ = 883643904. Its totient is φ = 391760384.

The previous prime is 625141213. The next prime is 625141229. The reversal of 625141221 is 122141526.

625141221 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 (625141213) and next prime (625141229).

It is a cyclic number.

It is not a de Polignac number, because 625141221 - 2³ = 625141213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 625141191 and 625141200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625141229) 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, 36556 + ... + 50858.

It is an arithmetic number, because the mean of its divisors is an integer number (55227744).

Almost surely, 2^625141221 is an apocalyptic number.

It is an amenable number.

625141221 is a deficient number, since it is larger than the sum of its proper divisors (258502683).

625141221 is a wasteful number, since it uses less digits than its factorization.

625141221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15180.

The product of its digits is 960, while the sum is 24.

The square root of 625141221 is about 25002.8242604711. The cubic root of 625141221 is about 855.0523643590.

Adding to 625141221 its reverse (122141526), we get a palindrome (747282747).

The spelling of 625141221 in words is "six hundred twenty-five million, one hundred forty-one thousand, two hundred twenty-one".