611701 has 4 divisors (see below), whose sum is σ = 615904. Its totient is φ = 607500.

The previous prime is 611693. The next prime is 611707. The reversal of 611701 is 107116.

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 5-Lehmer number, since φ(611701) divides (611701-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 611701 - 2³ = 611693 is a prime.

It is a super-2 number, since 2×611701² = 748356226802, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611707) 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, 1875 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (153976).

It is a Poulet number, since it divides 2⁶¹¹⁷⁰⁰-1.

2⁶¹¹⁷⁰¹ is an apocalyptic number.

It is an amenable number.

611701 is a deficient number, since it is larger than the sum of its proper divisors (4203).

611701 is a wasteful number, since it uses less digits than its factorization.

611701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 611701 is about 782.1131631676. The cubic root of 611701 is about 84.8880186274. Note that the first 3 decimals are identical.

Adding to 611701 its reverse (107116), we get a palindrome (718817).

The spelling of 611701 in words is "six hundred eleven thousand, seven hundred one".