3721325 has 6 divisors (see below), whose sum is σ = 4614474. Its totient is φ = 2977040.

The previous prime is 3721303. The next prime is 3721327. The reversal of 3721325 is 5231273.

3721325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 644809 + 3076516 = 803^2 + 1754^2 .

It is not a de Polignac number, because 3721325 - 2¹⁴ = 3704941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3721325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721327) 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 in 5 ways as a sum of consecutive naturals, for example, 74402 + ... + 74451.

It is an arithmetic number, because the mean of its divisors is an integer number (769079).

Almost surely, 2^3721325 is an apocalyptic number.

It is an amenable number.

3721325 is a deficient number, since it is larger than the sum of its proper divisors (893149).

3721325 is a wasteful number, since it uses less digits than its factorization.

3721325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148863 (or 148858 counting only the distinct ones).

The product of its digits is 1260, while the sum is 23.

The square root of 3721325 is about 1929.0736118666. The cubic root of 3721325 is about 154.9646121085.

Adding to 3721325 its reverse (5231273), we get a palindrome (8952598).

The spelling of 3721325 in words is "three million, seven hundred twenty-one thousand, three hundred twenty-five".