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3530525 = 52141221
BaseRepresentation
bin1101011101111100011101
320122100222012
431131330131
51400434100
6203401005
742003035
oct15357435
96570865
103530525
111aa1599
121223165
13967c8b
1467c8c5
1549b135
hex35df1d

3530525 has 6 divisors (see below), whose sum is σ = 4377882. Its totient is φ = 2824400.

The previous prime is 3530519. The next prime is 3530537. The reversal of 3530525 is 5250353.

Adding to 3530525 its reverse (5250353), we get a palindrome (8780878).

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7396 + 3523129 = 86^2 + 1877^2 .

It is not a de Polignac number, because 3530525 - 218 = 3268381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3530525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70586 + ... + 70635.

It is an arithmetic number, because the mean of its divisors is an integer number (729647).

Almost surely, 23530525 is an apocalyptic number.

It is an amenable number.

3530525 is a deficient number, since it is larger than the sum of its proper divisors (847357).

3530525 is a wasteful number, since it uses less digits than its factorization.

3530525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141231 (or 141226 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 3530525 is about 1878.9691322638. The cubic root of 3530525 is about 152.2695614887.

The spelling of 3530525 in words is "three million, five hundred thirty thousand, five hundred twenty-five".

Divisors: 1 5 25 141221 706105 3530525