1925213089 has 2 divisors, whose sum is σ = 1925213090. Its totient is φ = 1925213088.

The previous prime is 1925213077. The next prime is 1925213141. The reversal of 1925213089 is 9803125291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1076364864 + 848848225 = 32808^2 + 29135^2 .

It is an emirp because it is prime and its reverse (9803125291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1925213089 - 2²¹ = 1923115937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1925213039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962606544 + 962606545.

It is an arithmetic number, because the mean of its divisors is an integer number (962606545).

Almost surely, 2^1925213089 is an apocalyptic number.

It is an amenable number.

1925213089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925213089 is an equidigital number, since it uses as much as digits as its factorization.

1925213089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1925213089 is about 43877.2502442895. The cubic root of 1925213089 is about 1244.0168663687.

The spelling of 1925213089 in words is "one billion, nine hundred twenty-five million, two hundred thirteen thousand, eighty-nine".