611369 has 4 divisors (see below), whose sum is σ = 666960. Its totient is φ = 555780.

The previous prime is 611333. The next prime is 611389. The reversal of 611369 is 963116.

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 a cyclic number.

It is not a de Polignac number, because 611369 - 2⁸ = 611113 is a prime.

It is a super-2 number, since 2×611369² = 747544108322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611389) 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, 27779 + ... + 27800.

It is an arithmetic number, because the mean of its divisors is an integer number (166740).

2⁶¹¹³⁶⁹ is an apocalyptic number.

It is an amenable number.

611369 is a deficient number, since it is larger than the sum of its proper divisors (55591).

611369 is a wasteful number, since it uses less digits than its factorization.

611369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55590.

The product of its digits is 972, while the sum is 26.

The square root of 611369 is about 781.9008888600. The cubic root of 611369 is about 84.8726582239.

The spelling of 611369 in words is "six hundred eleven thousand, three hundred sixty-nine".