610091 has 4 divisors (see below), whose sum is σ = 611784. Its totient is φ = 608400.

The previous prime is 610081. The next prime is 610123. The reversal of 610091 is 190016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 610091 - 2¹⁰ = 609067 is a prime.

It is a super-2 number, since 2×610091² = 744422056562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610031) 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, 65 + ... + 1106.

It is an arithmetic number, because the mean of its divisors is an integer number (152946).

2⁶¹⁰⁰⁹¹ is an apocalyptic number.

610091 is a deficient number, since it is larger than the sum of its proper divisors (1693).

610091 is a wasteful number, since it uses less digits than its factorization.

610091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 610091 is about 781.0832221985. The cubic root of 610091 is about 84.8134779663.

The spelling of 610091 in words is "six hundred ten thousand, ninety-one".