625445341 has 2 divisors, whose sum is σ = 625445342. Its totient is φ = 625445340.

The previous prime is 625445339. The next prime is 625445347. The reversal of 625445341 is 143544526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 607425316 + 18020025 = 24646^2 + 4245^2 .

It is a cyclic number.

It is not a de Polignac number, because 625445341 - 2¹ = 625445339 is a prime.

Together with 625445339, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 625445297 and 625445306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625445347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312722670 + 312722671.

It is an arithmetic number, because the mean of its divisors is an integer number (312722671).

Almost surely, 2^625445341 is an apocalyptic number.

It is an amenable number.

625445341 is a deficient number, since it is larger than the sum of its proper divisors (1).

625445341 is an equidigital number, since it uses as much as digits as its factorization.

625445341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 34.

The square root of 625445341 is about 25008.9052339362. The cubic root of 625445341 is about 855.1909977641.

Adding to 625445341 its reverse (143544526), we get a palindrome (768989867).

The spelling of 625445341 in words is "six hundred twenty-five million, four hundred forty-five thousand, three hundred forty-one".