5611287 has 16 divisors (see below), whose sum is σ = 8517888. Its totient is φ = 3252480.

The previous prime is 5611273. The next prime is 5611303. The reversal of 5611287 is 7821165.

It is not a de Polignac number, because 5611287 - 2⁴ = 5611271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611687) 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, 2938 + ... + 4455.

It is an arithmetic number, because the mean of its divisors is an integer number (532368).

Almost surely, 2^5611287 is an apocalyptic number.

5611287 is a deficient number, since it is larger than the sum of its proper divisors (2906601).

5611287 is a wasteful number, since it uses less digits than its factorization.

5611287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7430.

The product of its digits is 3360, while the sum is 30.

The square root of 5611287 is about 2368.8155267982. The cubic root of 5611287 is about 177.7000270975.

The spelling of 5611287 in words is "five million, six hundred eleven thousand, two hundred eighty-seven".