2320261 has 8 divisors (see below), whose sum is σ = 2527200. Its totient is φ = 2121840.

The previous prime is 2320259. The next prime is 2320291. The reversal of 2320261 is 1620232.

2320261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2320261 - 2¹ = 2320259 is a prime.

It is a super-2 number, since 2×2320261² = 10767222216242, which contains 22 as substring.

It is a Duffinian number.

2320261 is a modest number, since divided by 261 gives 232 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320291) 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 7 ways as a sum of consecutive naturals, for example, 1555 + ... + 2656.

It is an arithmetic number, because the mean of its divisors is an integer number (315900).

2^2320261 is an apocalyptic number.

It is an amenable number.

2320261 is a deficient number, since it is larger than the sum of its proper divisors (206939).

2320261 is a wasteful number, since it uses less digits than its factorization.

2320261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2320261 is about 1523.2402962107. The cubic root of 2320261 is about 132.3870831038.

Adding to 2320261 its reverse (1620232), we get a palindrome (3940493).

The spelling of 2320261 in words is "two million, three hundred twenty thousand, two hundred sixty-one".