403025225173 has 2 divisors, whose sum is σ = 403025225174. Its totient is φ = 403025225172.

The previous prime is 403025225137. The next prime is 403025225189. The reversal of 403025225173 is 371522520304.

Together with previous prime (403025225137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 369617793444 + 33407431729 = 607962^2 + 182777^2 .

It is a cyclic number.

It is not a de Polignac number, because 403025225173 - 2⁹ = 403025224661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403025220173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201512612586 + 201512612587.

It is an arithmetic number, because the mean of its divisors is an integer number (201512612587).

Almost surely, 2^403025225173 is an apocalyptic number.

It is an amenable number.

403025225173 is a deficient number, since it is larger than the sum of its proper divisors (1).

403025225173 is an equidigital number, since it uses as much as digits as its factorization.

403025225173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 34.

Adding to 403025225173 its reverse (371522520304), we get a palindrome (774547745477).

The spelling of 403025225173 in words is "four hundred three billion, twenty-five million, two hundred twenty-five thousand, one hundred seventy-three".