3961525 has 12 divisors (see below), whose sum is σ = 4942144. Its totient is φ = 3150000.

The previous prime is 3961513. The next prime is 3961537. The reversal of 3961525 is 5251693.

It is an interprime number because it is at equal distance from previous prime (3961513) and next prime (3961537).

It is not a de Polignac number, because 3961525 - 2¹¹ = 3959477 is a prime.

It is a d-powerful number, because it can be written as 3⁸ + 9 + 6⁶ + 1 + 5⁹ + 2¹¹ + 5⁹ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4900 + ... + 5650.

Almost surely, 2^3961525 is an apocalyptic number.

It is an amenable number.

3961525 is a deficient number, since it is larger than the sum of its proper divisors (980619).

3961525 is a wasteful number, since it uses less digits than its factorization.

3961525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 967 counting only the distinct ones).

The product of its digits is 8100, while the sum is 31.

The square root of 3961525 is about 1990.3580079976. The cubic root of 3961525 is about 158.2295041035.

The spelling of 3961525 in words is "three million, nine hundred sixty-one thousand, five hundred twenty-five".