3781532297 has 2 divisors, whose sum is σ = 3781532298. Its totient is φ = 3781532296.

The previous prime is 3781532291. The next prime is 3781532311. The reversal of 3781532297 is 7922351873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3526459456 + 255072841 = 59384^2 + 15971^2 .

It is a cyclic number.

It is not a de Polignac number, because 3781532297 - 2¹⁶ = 3781466761 is a prime.

It is not a weakly prime, because it can be changed into another prime (3781532291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890766148 + 1890766149.

It is an arithmetic number, because the mean of its divisors is an integer number (1890766149).

Almost surely, 2^3781532297 is an apocalyptic number.

It is an amenable number.

3781532297 is a deficient number, since it is larger than the sum of its proper divisors (1).

3781532297 is an equidigital number, since it uses as much as digits as its factorization.

3781532297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 3781532297 is about 61494.1647394287. The cubic root of 3781532297 is about 1557.9586900336.

The spelling of 3781532297 in words is "three billion, seven hundred eighty-one million, five hundred thirty-two thousand, two hundred ninety-seven".