625005523251371 has 2 divisors, whose sum is σ = 625005523251372. Its totient is φ = 625005523251370.

The previous prime is 625005523251353. The next prime is 625005523251379. The reversal of 625005523251371 is 173152325500526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625005523251371 - 2¹⁰ = 625005523250347 is a prime.

It is not a weakly prime, because it can be changed into another prime (625005523251379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312502761625685 + 312502761625686.

It is an arithmetic number, because the mean of its divisors is an integer number (312502761625686).

Almost surely, 2^{625005523251371} is an apocalyptic number.

625005523251371 is a deficient number, since it is larger than the sum of its proper divisors (1).

625005523251371 is an equidigital number, since it uses as much as digits as its factorization.

625005523251371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890000, while the sum is 47.

Adding to 625005523251371 its reverse (173152325500526), we get a palindrome (798157848751897).

The spelling of 625005523251371 in words is "six hundred twenty-five trillion, five billion, five hundred twenty-three million, two hundred fifty-one thousand, three hundred seventy-one".