19025065 has 8 divisors (see below), whose sum is σ = 22984200. Its totient is φ = 15117312.

The previous prime is 19025063. The next prime is 19025077. The reversal of 19025065 is 56052091.

It can be written as a sum of positive squares in 4 ways, for example, as 2832489 + 16192576 = 1683^2 + 4024^2 .

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 19025065 - 2¹ = 19025063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19025063) 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, 12024 + ... + 13513.

It is an arithmetic number, because the mean of its divisors is an integer number (2873025).

Almost surely, 2^19025065 is an apocalyptic number.

It is an amenable number.

19025065 is a deficient number, since it is larger than the sum of its proper divisors (3959135).

19025065 is a wasteful number, since it uses less digits than its factorization.

19025065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25691.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 19025065 is about 4361.7731486174. The cubic root of 19025065 is about 266.9574527629.

The spelling of 19025065 in words is "nineteen million, twenty-five thousand, sixty-five".