3901523 has 2 divisors, whose sum is σ = 3901524. Its totient is φ = 3901522.

The previous prime is 3901511. The next prime is 3901531. The reversal of 3901523 is 3251093.

It is a happy number.

3901523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3251093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3901523 - 2¹⁰ = 3900499 is a prime.

It is not a weakly prime, because it can be changed into another prime (3901543) 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, 1950761 + 1950762.

It is an arithmetic number, because the mean of its divisors is an integer number (1950762).

Almost surely, 2^3901523 is an apocalyptic number.

3901523 is a deficient number, since it is larger than the sum of its proper divisors (1).

3901523 is an equidigital number, since it uses as much as digits as its factorization.

3901523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 3901523 is about 1975.2273286890. The cubic root of 3901523 is about 157.4265786955.

The spelling of 3901523 in words is "three million, nine hundred one thousand, five hundred twenty-three".