3975529 has 2 divisors, whose sum is σ = 3975530. Its totient is φ = 3975528.

The previous prime is 3975511. The next prime is 3975547. The reversal of 3975529 is 9255793.

It is a balanced prime because it is at equal distance from previous prime (3975511) and next prime (3975547).

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 1557504 = 1555^2 + 1248^2 .

It is a cyclic number.

It is not a de Polignac number, because 3975529 - 2⁹ = 3975017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3975491 and 3975500.

It is not a weakly prime, because it can be changed into another prime (3975509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987764 + 1987765.

It is an arithmetic number, because the mean of its divisors is an integer number (1987765).

Almost surely, 2^3975529 is an apocalyptic number.

It is an amenable number.

3975529 is a deficient number, since it is larger than the sum of its proper divisors (1).

3975529 is an equidigital number, since it uses as much as digits as its factorization.

3975529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 40.

The square root of 3975529 is about 1993.8728645528. The cubic root of 3975529 is about 158.4157320573.

The spelling of 3975529 in words is "three million, nine hundred seventy-five thousand, five hundred twenty-nine".