1925213489 has 8 divisors (see below), whose sum is σ = 2002277760. Its totient is φ = 1849466736.

The previous prime is 1925213383. The next prime is 1925213531. The reversal of 1925213489 is 9843125291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1925213489 - 2²⁴ = 1908436273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1925213089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326399 + ... + 332244.

It is an arithmetic number, because the mean of its divisors is an integer number (250284720).

Almost surely, 2^1925213489 is an apocalyptic number.

It is an amenable number.

1925213489 is a deficient number, since it is larger than the sum of its proper divisors (77064271).

1925213489 is an equidigital number, since it uses as much as digits as its factorization.

1925213489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658759.

The product of its digits is 155520, while the sum is 44.

The square root of 1925213489 is about 43877.2548024600. The cubic root of 1925213489 is about 1244.0169525248.

The spelling of 1925213489 in words is "one billion, nine hundred twenty-five million, two hundred thirteen thousand, four hundred eighty-nine".