5635261 has 2 divisors, whose sum is σ = 5635262. Its totient is φ = 5635260.

The previous prime is 5635249. The next prime is 5635271. The reversal of 5635261 is 1625365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3367225 + 2268036 = 1835^2 + 1506^2 .

It is a cyclic number.

It is not a de Polignac number, because 5635261 - 2⁹ = 5634749 is a prime.

It is a Chen prime.

5635261 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5635271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2817630 + 2817631.

It is an arithmetic number, because the mean of its divisors is an integer number (2817631).

Almost surely, 2^5635261 is an apocalyptic number.

It is an amenable number.

5635261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5635261 is an equidigital number, since it uses as much as digits as its factorization.

5635261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 28.

The square root of 5635261 is about 2373.8704682438. The cubic root of 5635261 is about 177.9527396309.

The spelling of 5635261 in words is "five million, six hundred thirty-five thousand, two hundred sixty-one".