625112401 has 2 divisors, whose sum is σ = 625112402. Its totient is φ = 625112400.

The previous prime is 625112381. The next prime is 625112413. The reversal of 625112401 is 104211526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622552401 + 2560000 = 24951^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 625112401 - 2¹⁵ = 625079633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (625112441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312556200 + 312556201.

It is an arithmetic number, because the mean of its divisors is an integer number (312556201).

Almost surely, 2^625112401 is an apocalyptic number.

It is an amenable number.

625112401 is a deficient number, since it is larger than the sum of its proper divisors (1).

625112401 is an equidigital number, since it uses as much as digits as its factorization.

625112401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 625112401 is about 25002.2479189372. The cubic root of 625112401 is about 855.0392244011.

Adding to 625112401 its reverse (104211526), we get a palindrome (729323927).

The spelling of 625112401 in words is "six hundred twenty-five million, one hundred twelve thousand, four hundred one".