3020261 has 2 divisors, whose sum is σ = 3020262. Its totient is φ = 3020260.

The previous prime is 3020239. The next prime is 3020279. The reversal of 3020261 is 1620203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2788900 + 231361 = 1670^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020261 - 2¹⁸ = 2758117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3020201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510130 + 1510131.

It is an arithmetic number, because the mean of its divisors is an integer number (1510131).

Almost surely, 2^3020261 is an apocalyptic number.

It is an amenable number.

3020261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020261 is an equidigital number, since it uses as much as digits as its factorization.

3020261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3020261 is about 1737.8898123874. The cubic root of 3020261 is about 144.5489112569.

Adding to 3020261 its reverse (1620203), we get a palindrome (4640464).

The spelling of 3020261 in words is "three million, twenty thousand, two hundred sixty-one".