3705501 has 4 divisors (see below), whose sum is σ = 4940672. Its totient is φ = 2470332.

The previous prime is 3705491. The next prime is 3705503. The reversal of 3705501 is 1055073.

It is a happy number.

3705501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1055073 = 3 ⋅351691.

It is not a de Polignac number, because 3705501 - 2⁵ = 3705469 is a prime.

It is a super-2 number, since 2×3705501² = 27461475322002, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3705503) 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 3 ways as a sum of consecutive naturals, for example, 617581 + ... + 617586.

It is an arithmetic number, because the mean of its divisors is an integer number (1235168).

Almost surely, 2^3705501 is an apocalyptic number.

It is an amenable number.

3705501 is a deficient number, since it is larger than the sum of its proper divisors (1235171).

3705501 is a wasteful number, since it uses less digits than its factorization.

3705501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235170.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 3705501 is about 1924.9677919383. The cubic root of 3705501 is about 154.7446506712.

The spelling of 3705501 in words is "three million, seven hundred five thousand, five hundred one".