4052261 has 2 divisors, whose sum is σ = 4052262. Its totient is φ = 4052260.

The previous prime is 4052249. The next prime is 4052299. The reversal of 4052261 is 1622504.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3276100 + 776161 = 1810^2 + 881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4052261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4052201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2026130 + 2026131.

It is an arithmetic number, because the mean of its divisors is an integer number (2026131).

Almost surely, 2^4052261 is an apocalyptic number.

It is an amenable number.

4052261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4052261 is an equidigital number, since it uses as much as digits as its factorization.

4052261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4052261 is about 2013.0228513358. The cubic root of 4052261 is about 159.4284424644.

Adding to 4052261 its reverse (1622504), we get a palindrome (5674765).

The spelling of 4052261 in words is "four million, fifty-two thousand, two hundred sixty-one".