2481397547 has 2 divisors, whose sum is σ = 2481397548. Its totient is φ = 2481397546.

The previous prime is 2481397543. The next prime is 2481397553. The reversal of 2481397547 is 7457931842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2481397547 - 2² = 2481397543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2481397495 and 2481397504.

It is not a weakly prime, because it can be changed into another prime (2481397543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240698773 + 1240698774.

It is an arithmetic number, because the mean of its divisors is an integer number (1240698774).

Almost surely, 2^2481397547 is an apocalyptic number.

2481397547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481397547 is an equidigital number, since it uses as much as digits as its factorization.

2481397547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The square root of 2481397547 is about 49813.6281252430. The cubic root of 2481397547 is about 1353.8341022879.

The spelling of 2481397547 in words is "two billion, four hundred eighty-one million, three hundred ninety-seven thousand, five hundred forty-seven".