2042011541 has 2 divisors, whose sum is σ = 2042011542. Its totient is φ = 2042011540.

The previous prime is 2042011523. The next prime is 2042011561. The reversal of 2042011541 is 1451102402.

It is a happy number.

It is an a-pointer prime, because the next prime (2042011561) can be obtained adding 2042011541 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1463368516 + 578643025 = 38254^2 + 24055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042011541 - 2¹⁸ = 2041749397 is a prime.

It is a super-2 number, since 2×2042011541² = 8339622267154389362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042011561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021005770 + 1021005771.

It is an arithmetic number, because the mean of its divisors is an integer number (1021005771).

Almost surely, 2^2042011541 is an apocalyptic number.

It is an amenable number.

2042011541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042011541 is an equidigital number, since it uses as much as digits as its factorization.

2042011541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2042011541 is about 45188.6218090351. The cubic root of 2042011541 is about 1268.6818615449.

Adding to 2042011541 its reverse (1451102402), we get a palindrome (3493113943).

The spelling of 2042011541 in words is "two billion, forty-two million, eleven thousand, five hundred forty-one".