4350625 has 10 divisors (see below), whose sum is σ = 5437322. Its totient is φ = 3480000.

The previous prime is 4350569. The next prime is 4350629. The reversal of 4350625 is 5260534.

It can be written as a sum of positive squares in 5 ways, for example, as 1096209 + 3254416 = 1047^2 + 1804^2 .

It is not a de Polignac number, because 4350625 - 2¹¹ = 4348577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4¹¹ + 3 + 5⁷ + 0 + 6² + 2⁵ + 5⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4350625.

It is not an unprimeable number, because it can be changed into a prime (4350629) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2856 + ... + 4105.

Almost surely, 2^4350625 is an apocalyptic number.

It is an amenable number.

4350625 is a deficient number, since it is larger than the sum of its proper divisors (1086697).

4350625 is an frugal number, since it uses more digits than its factorization.

4350625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981 (or 6966 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 4350625 is about 2085.8151883616. The cubic root of 4350625 is about 163.2490077932.

Subtracting 4350625 from its reverse (5260534), we obtain a palindrome (909909).

The spelling of 4350625 in words is "four million, three hundred fifty thousand, six hundred twenty-five".