1012542541 has 2 divisors, whose sum is σ = 1012542542. Its totient is φ = 1012542540.

The previous prime is 1012542523. The next prime is 1012542607. The reversal of 1012542541 is 1452452101.

1012542541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 726086916 + 286455625 = 26946^2 + 16925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012542541 - 2⁷ = 1012542413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012542241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506271270 + 506271271.

It is an arithmetic number, because the mean of its divisors is an integer number (506271271).

Almost surely, 2^1012542541 is an apocalyptic number.

It is an amenable number.

1012542541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012542541 is an equidigital number, since it uses as much as digits as its factorization.

1012542541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1012542541 is about 31820.4736136972. The cubic root of 1012542541 is about 1004.1634883076.

Adding to 1012542541 its reverse (1452452101), we get a palindrome (2464994642).

The spelling of 1012542541 in words is "one billion, twelve million, five hundred forty-two thousand, five hundred forty-one".