3533145 has 96 divisors (see below), whose sum is σ = 7879680. Its totient is φ = 1330560.

The previous prime is 3533141. The next prime is 3533147. The reversal of 3533145 is 5413353.

3533145 = 50² + 51² + ... + 220².

It is a happy number.

It is not a de Polignac number, because 3533145 - 2² = 3533141 is a prime.

It is a super-2 number, since 2×3533145² = 24966227182050, which contains 22 as substring.

Its product of digits (2700) is a multiple of the sum of its prime factors (75).

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3533141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 153604 + ... + 153626.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

Almost surely, 2^3533145 is an apocalyptic number.

3533145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3533145 is an abundant number, since it is smaller than the sum of its proper divisors (4346535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3533145 is a wasteful number, since it uses less digits than its factorization.

3533145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 68 counting only the distinct ones).

The product of its digits is 2700, while the sum is 24.

The square root of 3533145 is about 1879.6661937695. Note that the first 3 decimals coincide. The cubic root of 3533145 is about 152.3072185516.

Adding to 3533145 its reverse (5413353), we get a palindrome (8946498).

The spelling of 3533145 in words is "three million, five hundred thirty-three thousand, one hundred forty-five".