625417163153 has 2 divisors, whose sum is σ = 625417163154. Its totient is φ = 625417163152.

The previous prime is 625417163123. The next prime is 625417163171. The reversal of 625417163153 is 351361714526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 551942013184 + 73475149969 = 742928^2 + 271063^2 .

It is a cyclic number.

It is not a de Polignac number, because 625417163153 - 2⁸ = 625417162897 is a prime.

It is a super-2 number, since 2×625417163153² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (625417163123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312708581576 + 312708581577.

It is an arithmetic number, because the mean of its divisors is an integer number (312708581577).

Almost surely, 2^625417163153 is an apocalyptic number.

It is an amenable number.

625417163153 is a deficient number, since it is larger than the sum of its proper divisors (1).

625417163153 is an equidigital number, since it uses as much as digits as its factorization.

625417163153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 44.

Adding to 625417163153 its reverse (351361714526), we get a palindrome (976778877679).

The spelling of 625417163153 in words is "six hundred twenty-five billion, four hundred seventeen million, one hundred sixty-three thousand, one hundred fifty-three".