3243478541 has 2 divisors, whose sum is σ = 3243478542. Its totient is φ = 3243478540.

The previous prime is 3243478517. The next prime is 3243478547. The reversal of 3243478541 is 1458743423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2403058441 + 840420100 = 49021^2 + 28990^2 .

It is a cyclic number.

It is not a de Polignac number, because 3243478541 - 2⁶ = 3243478477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3243478547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621739270 + 1621739271.

It is an arithmetic number, because the mean of its divisors is an integer number (1621739271).

Almost surely, 2^3243478541 is an apocalyptic number.

It is an amenable number.

3243478541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243478541 is an equidigital number, since it uses as much as digits as its factorization.

3243478541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 41.

The square root of 3243478541 is about 56951.5455540936. The cubic root of 3243478541 is about 1480.2566119750.

The spelling of 3243478541 in words is "three billion, two hundred forty-three million, four hundred seventy-eight thousand, five hundred forty-one".