3261725867 has 2 divisors, whose sum is σ = 3261725868. Its totient is φ = 3261725866.

The previous prime is 3261725837. The next prime is 3261725879. The reversal of 3261725867 is 7685271623.

It is a strong prime.

It is an emirp because it is prime and its reverse (7685271623) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3261725867 is a prime.

It is not a weakly prime, because it can be changed into another prime (3261725837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630862933 + 1630862934.

It is an arithmetic number, because the mean of its divisors is an integer number (1630862934).

Almost surely, 2^3261725867 is an apocalyptic number.

3261725867 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261725867 is an equidigital number, since it uses as much as digits as its factorization.

3261725867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 3261725867 is about 57111.5213157555. The cubic root of 3261725867 is about 1483.0273234787.

The spelling of 3261725867 in words is "three billion, two hundred sixty-one million, seven hundred twenty-five thousand, eight hundred sixty-seven".