3800045261 has 2 divisors, whose sum is σ = 3800045262. Its totient is φ = 3800045260.

The previous prime is 3800045219. The next prime is 3800045279. The reversal of 3800045261 is 1625400083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2385834025 + 1414211236 = 48845^2 + 37606^2 .

It is a cyclic number.

It is not a de Polignac number, because 3800045261 - 2²² = 3795850957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3800045461) 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, 1900022630 + 1900022631.

It is an arithmetic number, because the mean of its divisors is an integer number (1900022631).

Almost surely, 2^3800045261 is an apocalyptic number.

It is an amenable number.

3800045261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3800045261 is an equidigital number, since it uses as much as digits as its factorization.

3800045261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 3800045261 is about 61644.5071437837. The cubic root of 3800045261 is about 1560.4969462422.

The spelling of 3800045261 in words is "three billion, eight hundred million, forty-five thousand, two hundred sixty-one".