3872572541 has 2 divisors, whose sum is σ = 3872572542. Its totient is φ = 3872572540.

The previous prime is 3872572523. The next prime is 3872572577. The reversal of 3872572541 is 1452752783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3554663641 + 317908900 = 59621^2 + 17830^2 .

It is a cyclic number.

It is not a de Polignac number, because 3872572541 - 2¹⁸ = 3872310397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3872572492 and 3872572501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3872572441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936286270 + 1936286271.

It is an arithmetic number, because the mean of its divisors is an integer number (1936286271).

Almost surely, 2^3872572541 is an apocalyptic number.

It is an amenable number.

3872572541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3872572541 is an equidigital number, since it uses as much as digits as its factorization.

3872572541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 44.

The square root of 3872572541 is about 62229.9971155391. The cubic root of 3872572541 is about 1570.3622760617.

The spelling of 3872572541 in words is "three billion, eight hundred seventy-two million, five hundred seventy-two thousand, five hundred forty-one".