4052640541 has 2 divisors, whose sum is σ = 4052640542. Its totient is φ = 4052640540.

The previous prime is 4052640521. The next prime is 4052640547. The reversal of 4052640541 is 1450462504.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3346622500 + 706018041 = 57850^2 + 26571^2 .

It is a cyclic number.

It is not a de Polignac number, because 4052640541 - 2⁹ = 4052640029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4052640547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2026320270 + 2026320271.

It is an arithmetic number, because the mean of its divisors is an integer number (2026320271).

Almost surely, 2^4052640541 is an apocalyptic number.

It is an amenable number.

4052640541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4052640541 is an equidigital number, since it uses as much as digits as its factorization.

4052640541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 4052640541 is about 63660.3529757729. The cubic root of 4052640541 is about 1594.3341974677.

The spelling of 4052640541 in words is "four billion, fifty-two million, six hundred forty thousand, five hundred forty-one".