5251625 has 8 divisors (see below), whose sum is σ = 6554184. Its totient is φ = 4201200.

The previous prime is 5251607. The next prime is 5251627. The reversal of 5251625 is 5261525.

It can be written as a sum of positive squares in 4 ways, for example, as 34969 + 5216656 = 187^2 + 2284^2 .

It is not a de Polignac number, because 5251625 - 2²⁰ = 4203049 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5251594 and 5251603.

It is not an unprimeable number, because it can be changed into a prime (5251627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20882 + ... + 21131.

It is an arithmetic number, because the mean of its divisors is an integer number (819273).

Almost surely, 2^5251625 is an apocalyptic number.

It is an amenable number.

5251625 is a deficient number, since it is larger than the sum of its proper divisors (1302559).

5251625 is an equidigital number, since it uses as much as digits as its factorization.

5251625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42028 (or 42018 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 5251625 is about 2291.6424241142. The cubic root of 5251625 is about 173.8192622780.

The spelling of 5251625 in words is "five million, two hundred fifty-one thousand, six hundred twenty-five".