4520261 has 2 divisors, whose sum is σ = 4520262. Its totient is φ = 4520260.

The previous prime is 4520239. The next prime is 4520267. The reversal of 4520261 is 1620254.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4264225 + 256036 = 2065^2 + 506^2 .

It is a cyclic number.

It is not a de Polignac number, because 4520261 - 2¹⁸ = 4258117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4520267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260130 + 2260131.

It is an arithmetic number, because the mean of its divisors is an integer number (2260131).

Almost surely, 2^4520261 is an apocalyptic number.

It is an amenable number.

4520261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4520261 is an equidigital number, since it uses as much as digits as its factorization.

4520261 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 4520261 is about 2126.0905436975. The cubic root of 4520261 is about 165.3437705683.

The spelling of 4520261 in words is "four million, five hundred twenty thousand, two hundred sixty-one".