3532520 has 32 divisors (see below), whose sum is σ = 8121600. Its totient is φ = 1382208.

The previous prime is 3532517. The next prime is 3532523. The reversal of 3532520 is 252353.

It is an interprime number because it is at equal distance from previous prime (3532517) and next prime (3532523).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3532492 and 3532501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3532523) 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 7 ways as a sum of consecutive naturals, for example, 941 + ... + 2819.

It is an arithmetic number, because the mean of its divisors is an integer number (253800).

Almost surely, 2^3532520 is an apocalyptic number.

It is a pronic number, being equal to 1879×1880.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3532520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4060800).

3532520 is an abundant number, since it is smaller than the sum of its proper divisors (4589080).

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

3532520 is a wasteful number, since it uses less digits than its factorization.

3532520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937 (or 1933 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 3532520 is about 1879.4999334929. The cubic root of 3532520 is about 152.2982371648.

Adding to 3532520 its reverse (252353), we get a palindrome (3784873).

The spelling of 3532520 in words is "three million, five hundred thirty-two thousand, five hundred twenty".