1541472979 has 2 divisors, whose sum is σ = 1541472980. Its totient is φ = 1541472978.

The previous prime is 1541472917. The next prime is 1541472991. The reversal of 1541472979 is 9792741451.

It is a strong prime.

It is an emirp because it is prime and its reverse (9792741451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1541472979 - 2⁷ = 1541472851 is a prime.

It is a super-2 number, since 2×1541472979² = 4752277889974268882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1541472479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770736489 + 770736490.

It is an arithmetic number, because the mean of its divisors is an integer number (770736490).

Almost surely, 2^1541472979 is an apocalyptic number.

1541472979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541472979 is an equidigital number, since it uses as much as digits as its factorization.

1541472979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 49.

The square root of 1541472979 is about 39261.5967454203. The cubic root of 1541472979 is about 1155.1684140643.

It can be divided in two parts, 1541472 and 979, that added together give a palindrome (1542451).

The spelling of 1541472979 in words is "one billion, five hundred forty-one million, four hundred seventy-two thousand, nine hundred seventy-nine".