3047420261 has 2 divisors, whose sum is σ = 3047420262. Its totient is φ = 3047420260.

The previous prime is 3047420143. The next prime is 3047420303. The reversal of 3047420261 is 1620247403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2978430625 + 68989636 = 54575^2 + 8306^2 .

It is a cyclic number.

It is not a de Polignac number, because 3047420261 - 2³⁰ = 1973678437 is a prime.

It is a super-3 number, since 3×3047420261³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3047020261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1523710130 + 1523710131.

It is an arithmetic number, because the mean of its divisors is an integer number (1523710131).

Almost surely, 2^3047420261 is an apocalyptic number.

It is an amenable number.

3047420261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3047420261 is an equidigital number, since it uses as much as digits as its factorization.

3047420261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 3047420261 is about 55203.4442856603. Note that the first 3 decimals coincide. The cubic root of 3047420261 is about 1449.8089738044.

Adding to 3047420261 its reverse (1620247403), we get a palindrome (4667667664).

The spelling of 3047420261 in words is "three billion, forty-seven million, four hundred twenty thousand, two hundred sixty-one".