2134261 has 2 divisors, whose sum is σ = 2134262. Its totient is φ = 2134260.

The previous prime is 2134259. The next prime is 2134267. The reversal of 2134261 is 1624312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1874161 + 260100 = 1369^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134261 - 2¹ = 2134259 is a prime.

It is a super-2 number, since 2×2134261² = 9110140032242, which contains 22 as substring.

Together with 2134259, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 3³ + 4⁶ + 2²¹ + 6³ + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067130 + 1067131.

It is an arithmetic number, because the mean of its divisors is an integer number (1067131).

2^2134261 is an apocalyptic number.

It is an amenable number.

2134261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134261 is an equidigital number, since it uses as much as digits as its factorization.

2134261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 2134261 is about 1460.9110171396. The cubic root of 2134261 is about 128.7505746667.

Adding to 2134261 its reverse (1624312), we get a palindrome (3758573).

The spelling of 2134261 in words is "two million, one hundred thirty-four thousand, two hundred sixty-one".