3701523 has 16 divisors (see below), whose sum is σ = 5937920. Its totient is φ = 2003616.

The previous prime is 3701513. The next prime is 3701527. The reversal of 3701523 is 3251073.

It is a happy number.

3701523 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3701523 - 2⁴ = 3701507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

3701523 is strictly pandigital in base 8.

3701523 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3701523.

It is not an unprimeable number, because it can be changed into a prime (3701527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4240 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (371120).

Almost surely, 2^3701523 is an apocalyptic number.

3701523 is a deficient number, since it is larger than the sum of its proper divisors (2236397).

3701523 is a wasteful number, since it uses less digits than its factorization.

3701523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9306.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 3701523 is about 1923.9342504358. The cubic root of 3701523 is about 154.6892560356.

Adding to 3701523 its reverse (3251073), we get a palindrome (6952596).

It can be divided in two parts, 3701 and 523, that added together give a palindrome (4224).

The spelling of 3701523 in words is "three million, seven hundred one thousand, five hundred twenty-three".