25279265 has 8 divisors (see below), whose sum is σ = 33092928. Its totient is φ = 18384880.

The previous prime is 25279249. The next prime is 25279273. The reversal of 25279265 is 56297252.

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

It is not a de Polignac number, because 25279265 - 2⁴ = 25279249 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 229757 + ... + 229866.

It is an arithmetic number, because the mean of its divisors is an integer number (4136616).

Almost surely, 2^25279265 is an apocalyptic number.

It is an amenable number.

25279265 is a deficient number, since it is larger than the sum of its proper divisors (7813663).

25279265 is a wasteful number, since it uses less digits than its factorization.

25279265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459639.

The product of its digits is 75600, while the sum is 38.

The square root of 25279265 is about 5027.8489436338. The cubic root of 25279265 is about 293.4865124830.

The spelling of 25279265 in words is "twenty-five million, two hundred seventy-nine thousand, two hundred sixty-five".