625131301 has 2 divisors, whose sum is σ = 625131302. Its totient is φ = 625131300.

The previous prime is 625131209. The next prime is 625131307. The reversal of 625131301 is 103131526.

It is a happy number.

625131301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313644100 + 311487201 = 17710^2 + 17649^2 .

It is a cyclic number.

It is not a de Polignac number, because 625131301 - 2⁷ = 625131173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625131307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312565650 + 312565651.

It is an arithmetic number, because the mean of its divisors is an integer number (312565651).

Almost surely, 2^625131301 is an apocalyptic number.

It is an amenable number.

625131301 is a deficient number, since it is larger than the sum of its proper divisors (1).

625131301 is an equidigital number, since it uses as much as digits as its factorization.

625131301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 625131301 is about 25002.6258820949. The cubic root of 625131301 is about 855.0478415599.

Adding to 625131301 its reverse (103131526), we get a palindrome (728262827).

The spelling of 625131301 in words is "six hundred twenty-five million, one hundred thirty-one thousand, three hundred one".