2363681 has 2 divisors, whose sum is σ = 2363682. Its totient is φ = 2363680.

The previous prime is 2363653. The next prime is 2363707. The reversal of 2363681 is 1863632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 1018081 = 1160^2 + 1009^2 .

It is a cyclic number.

It is not a de Polignac number, because 2363681 - 2⁶ = 2363617 is a prime.

It is a super-2 number, since 2×2363681² = 11173975739522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2363651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1181840 + 1181841.

It is an arithmetic number, because the mean of its divisors is an integer number (1181841).

2^2363681 is an apocalyptic number.

It is an amenable number.

2363681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2363681 is an equidigital number, since it uses as much as digits as its factorization.

2363681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 2363681 is about 1537.4267462224. The cubic root of 2363681 is about 133.2077894665.

The spelling of 2363681 in words is "two million, three hundred sixty-three thousand, six hundred eighty-one".