3775238461 has 2 divisors, whose sum is σ = 3775238462. Its totient is φ = 3775238460.

The previous prime is 3775238447. The next prime is 3775238507. The reversal of 3775238461 is 1648325773.

It is a happy number.

It is an a-pointer prime, because the next prime (3775238507) can be obtained adding 3775238461 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3296941561 + 478296900 = 57419^2 + 21870^2 .

It is an emirp because it is prime and its reverse (1648325773) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3775238461 - 2²⁵ = 3741684029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3775238861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887619230 + 1887619231.

It is an arithmetic number, because the mean of its divisors is an integer number (1887619231).

Almost surely, 2^3775238461 is an apocalyptic number.

It is an amenable number.

3775238461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3775238461 is an equidigital number, since it uses as much as digits as its factorization.

3775238461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 46.

The square root of 3775238461 is about 61442.9691746745. The cubic root of 3775238461 is about 1557.0938746853.

The spelling of 3775238461 in words is "three billion, seven hundred seventy-five million, two hundred thirty-eight thousand, four hundred sixty-one".