612601 has 4 divisors (see below), whose sum is σ = 668304. Its totient is φ = 556900.

The previous prime is 612589. The next prime is 612611. The reversal of 612601 is 106216.

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 612601 - 2¹¹ = 610553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612611) 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, 27835 + ... + 27856.

It is an arithmetic number, because the mean of its divisors is an integer number (167076).

2⁶¹²⁶⁰¹ is an apocalyptic number.

It is an amenable number.

612601 is a deficient number, since it is larger than the sum of its proper divisors (55703).

612601 is a wasteful number, since it uses less digits than its factorization.

612601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55702.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 612601 is about 782.6883159981. The cubic root of 612601 is about 84.9296303399.

Adding to 612601 its reverse (106216), we get a palindrome (718817).

It can be divided in two parts, 61 and 2601, that added together give a palindrome (2662).

The spelling of 612601 in words is "six hundred twelve thousand, six hundred one".