3661023257 has 2 divisors, whose sum is σ = 3661023258. Its totient is φ = 3661023256.

The previous prime is 3661023241. The next prime is 3661023263. The reversal of 3661023257 is 7523201663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3000738841 + 660284416 = 54779^2 + 25696^2 .

It is a cyclic number.

It is not a de Polignac number, because 3661023257 - 2⁴ = 3661023241 is a prime.

It is not a weakly prime, because it can be changed into another prime (3661022257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830511628 + 1830511629.

It is an arithmetic number, because the mean of its divisors is an integer number (1830511629).

Almost surely, 2^3661023257 is an apocalyptic number.

It is an amenable number.

3661023257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3661023257 is an equidigital number, since it uses as much as digits as its factorization.

3661023257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 3661023257 is about 60506.3902162408. The cubic root of 3661023257 is about 1541.2301489638.

The spelling of 3661023257 in words is "three billion, six hundred sixty-one million, twenty-three thousand, two hundred fifty-seven".