4352445 has 18 divisors (see below), whose sum is σ = 7568574. Its totient is φ = 2313840.

The previous prime is 4352443. The next prime is 4352461. The reversal of 4352445 is 5442534.

It can be written as a sum of positive squares in only one way, i.e., 3481956 + 870489 = 1866^2 + 933^2 .

It is not a de Polignac number, because 4352445 - 2¹ = 4352443 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 3⁷ + 5 + 2¹³ + 4⁸ + 4¹¹ + 5⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4352441) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13840 + ... + 14150.

Almost surely, 2^4352445 is an apocalyptic number.

4352445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4352445 is a deficient number, since it is larger than the sum of its proper divisors (3216129).

4352445 is an equidigital number, since it uses as much as digits as its factorization.

4352445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 319 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 4352445 is about 2086.2514230073. The cubic root of 4352445 is about 163.2717686435.

Adding to 4352445 its reverse (5442534), we get a palindrome (9794979).

The spelling of 4352445 in words is "four million, three hundred fifty-two thousand, four hundred forty-five".