25019265 has 8 divisors (see below), whose sum is σ = 40030848. Its totient is φ = 13343600.

The previous prime is 25019251. The next prime is 25019273. The reversal of 25019265 is 56291052.

It is a happy number.

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

It is not a de Polignac number, because 25019265 - 2¹³ = 25011073 is a prime.

It is a super-2 number, since 2×25019265² = 1251927242280450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833961 + ... + 833990.

It is an arithmetic number, because the mean of its divisors is an integer number (5003856).

Almost surely, 2^25019265 is an apocalyptic number.

It is an amenable number.

25019265 is a deficient number, since it is larger than the sum of its proper divisors (15011583).

25019265 is a wasteful number, since it uses less digits than its factorization.

25019265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667959.

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

The square root of 25019265 is about 5001.9261290027. The cubic root of 25019265 is about 292.4768628057.

The spelling of 25019265 in words is "twenty-five million, nineteen thousand, two hundred sixty-five".