3725522 has 4 divisors (see below), whose sum is σ = 5588286. Its totient is φ = 1862760.

The previous prime is 3725521. The next prime is 3725551. The reversal of 3725522 is 2255273.

3725522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2255273 = 463 ⋅4871.

It can be written as a sum of positive squares in only one way, i.e., 2283121 + 1442401 = 1511^2 + 1201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3725491 and 3725500.

It is not an unprimeable number, because it can be changed into a prime (3725521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 931379 + ... + 931382.

Almost surely, 2^3725522 is an apocalyptic number.

3725522 is a deficient number, since it is larger than the sum of its proper divisors (1862764).

3725522 is a wasteful number, since it uses less digits than its factorization.

3725522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862763.

The product of its digits is 4200, while the sum is 26.

The square root of 3725522 is about 1930.1611331700. The cubic root of 3725522 is about 155.0228478286.

The spelling of 3725522 in words is "three million, seven hundred twenty-five thousand, five hundred twenty-two".