3525490 has 8 divisors (see below), whose sum is σ = 6345900. Its totient is φ = 1410192.

The previous prime is 3525479. The next prime is 3525491. The reversal of 3525490 is 945253.

It can be written as a sum of positive squares in 2 ways, for example, as 3272481 + 253009 = 1809^2 + 503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3525491) 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 3 ways as a sum of consecutive naturals, for example, 176265 + ... + 176284.

Almost surely, 2^3525490 is an apocalyptic number.

3525490 is a deficient number, since it is larger than the sum of its proper divisors (2820410).

3525490 is a wasteful number, since it uses less digits than its factorization.

3525490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352556.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 3525490 is about 1877.6288238094. The cubic root of 3525490 is about 152.1971414763.

It can be divided in two parts, 35254 and 90, that added together give a square (35344 = 188²).

The spelling of 3525490 in words is "three million, five hundred twenty-five thousand, four hundred ninety".