1548013913 has 2 divisors, whose sum is σ = 1548013914. Its totient is φ = 1548013912.

The previous prime is 1548013871. The next prime is 1548013963. The reversal of 1548013913 is 3193108451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1225560064 + 322453849 = 35008^2 + 17957^2 .

It is a cyclic number.

It is not a de Polignac number, because 1548013913 - 2²² = 1543819609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1548013963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 774006956 + 774006957.

It is an arithmetic number, because the mean of its divisors is an integer number (774006957).

Almost surely, 2^1548013913 is an apocalyptic number.

It is an amenable number.

1548013913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1548013913 is an equidigital number, since it uses as much as digits as its factorization.

1548013913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1548013913 is about 39344.8079547988. The cubic root of 1548013913 is about 1156.8000175780.

The spelling of 1548013913 in words is "one billion, five hundred forty-eight million, thirteen thousand, nine hundred thirteen".