5761209 has 4 divisors (see below), whose sum is σ = 7681616. Its totient is φ = 3840804.

The previous prime is 5761193. The next prime is 5761219. The reversal of 5761209 is 9021675.

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.

It is not a de Polignac number, because 5761209 - 2⁴ = 5761193 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5761219) 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, 960199 + ... + 960204.

It is an arithmetic number, because the mean of its divisors is an integer number (1920404).

Almost surely, 2^5761209 is an apocalyptic number.

It is an amenable number.

5761209 is a deficient number, since it is larger than the sum of its proper divisors (1920407).

5761209 is a wasteful number, since it uses less digits than its factorization.

5761209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920406.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 5761209 is about 2400.2518617845. The cubic root of 5761209 is about 179.2687306940.

The spelling of 5761209 in words is "five million, seven hundred sixty-one thousand, two hundred nine".