19025265 has 16 divisors (see below), whose sum is σ = 34789248. Its totient is φ = 8697216.

The previous prime is 19025243. The next prime is 19025267. The reversal of 19025265 is 56252091.

It is a happy number.

It is not a de Polignac number, because 19025265 - 2¹⁶ = 18959729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19025267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90492 + ... + 90701.

It is an arithmetic number, because the mean of its divisors is an integer number (2174328).

Almost surely, 2^19025265 is an apocalyptic number.

19025265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19025265 is a deficient number, since it is larger than the sum of its proper divisors (15763983).

19025265 is a wasteful number, since it uses less digits than its factorization.

19025265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181208.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 19025265 is about 4361.7960750131. The cubic root of 19025265 is about 266.9583882184.

The spelling of 19025265 in words is "nineteen million, twenty-five thousand, two hundred sixty-five".