4250912261 has 2 divisors, whose sum is σ = 4250912262. Its totient is φ = 4250912260.

The previous prime is 4250912257. The next prime is 4250912273. The reversal of 4250912261 is 1622190524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3830867236 + 420045025 = 61894^2 + 20495^2 .

It is a cyclic number.

It is not a de Polignac number, because 4250912261 - 2² = 4250912257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4250912201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125456130 + 2125456131.

It is an arithmetic number, because the mean of its divisors is an integer number (2125456131).

Almost surely, 2^4250912261 is an apocalyptic number.

It is an amenable number.

4250912261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4250912261 is an equidigital number, since it uses as much as digits as its factorization.

4250912261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 4250912261 is about 65199.0203990827. The cubic root of 4250912261 is about 1619.9217892689.

The spelling of 4250912261 in words is "four billion, two hundred fifty million, nine hundred twelve thousand, two hundred sixty-one".