2371261 has 2 divisors, whose sum is σ = 2371262. Its totient is φ = 2371260.

The previous prime is 2371247. The next prime is 2371267. The reversal of 2371261 is 1621732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1988100 + 383161 = 1410^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 2371261 - 2⁷ = 2371133 is a prime.

It is a Chen prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2371267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1185630 + 1185631.

It is an arithmetic number, because the mean of its divisors is an integer number (1185631).

2^2371261 is an apocalyptic number.

It is an amenable number.

2371261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2371261 is an equidigital number, since it uses as much as digits as its factorization.

2371261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 22.

The square root of 2371261 is about 1539.8899311314. The cubic root of 2371261 is about 133.3500305478.

Adding to 2371261 its reverse (1621732), we get a palindrome (3992993).

The spelling of 2371261 in words is "two million, three hundred seventy-one thousand, two hundred sixty-one".