3148650521 has 2 divisors, whose sum is σ = 3148650522. Its totient is φ = 3148650520.

The previous prime is 3148650511. The next prime is 3148650539. The reversal of 3148650521 is 1250568413.

3148650521 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., 2472078400 + 676572121 = 49720^2 + 26011^2 .

It is an emirp because it is prime and its reverse (1250568413) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3148650521 is a prime.

It is not a weakly prime, because it can be changed into another prime (3148650511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574325260 + 1574325261.

It is an arithmetic number, because the mean of its divisors is an integer number (1574325261).

Almost surely, 2^3148650521 is an apocalyptic number.

It is an amenable number.

3148650521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3148650521 is an equidigital number, since it uses as much as digits as its factorization.

3148650521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 3148650521 is about 56112.8373992975. The cubic root of 3148650521 is about 1465.6878459092.

The spelling of 3148650521 in words is "three billion, one hundred forty-eight million, six hundred fifty thousand, five hundred twenty-one".