1541412997 has 2 divisors, whose sum is σ = 1541412998. Its totient is φ = 1541412996.

The previous prime is 1541412973. The next prime is 1541413037. The reversal of 1541412997 is 7992141451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1119973156 + 421439841 = 33466^2 + 20529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1541412997 - 2⁷ = 1541412869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1541413997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770706498 + 770706499.

It is an arithmetic number, because the mean of its divisors is an integer number (770706499).

Almost surely, 2^1541412997 is an apocalyptic number.

It is an amenable number.

1541412997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541412997 is an equidigital number, since it uses as much as digits as its factorization.

1541412997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 43.

The square root of 1541412997 is about 39260.8328617720. The cubic root of 1541412997 is about 1155.1534305147.

The spelling of 1541412997 in words is "one billion, five hundred forty-one million, four hundred twelve thousand, nine hundred ninety-seven".