3752609 has 4 divisors (see below), whose sum is σ = 4288704. Its totient is φ = 3216516.

The previous prime is 3752591. The next prime is 3752641. The reversal of 3752609 is 9062573.

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: 9062573 = 13 ⋅697121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3752609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3752669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268037 + ... + 268050.

It is an arithmetic number, because the mean of its divisors is an integer number (1072176).

Almost surely, 2^3752609 is an apocalyptic number.

It is an amenable number.

3752609 is a deficient number, since it is larger than the sum of its proper divisors (536095).

3752609 is an equidigital number, since it uses as much as digits as its factorization.

3752609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536094.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 3752609 is about 1937.1651968792. The cubic root of 3752609 is about 155.3976470323.

The spelling of 3752609 in words is "three million, seven hundred fifty-two thousand, six hundred nine".