25759272 has 128 divisors (see below), whose sum is σ = 82114560. Its totient is φ = 6539520.

The previous prime is 25759271. The next prime is 25759273. The reversal of 25759272 is 27295752.

It is an interprime number because it is at equal distance from previous prime (25759271) and next prime (25759273).

It is a self number, because there is not a number n which added to its sum of digits gives 25759272.

It is not an unprimeable number, because it can be changed into a prime (25759271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97813 + ... + 98075.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 2^25759272 is an apocalyptic number.

25759272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25759272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41057280).

25759272 is an abundant number, since it is smaller than the sum of its proper divisors (56355288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25759272 is a wasteful number, since it uses less digits than its factorization.

25759272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 339 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 25759272 is about 5075.3592976261. The cubic root of 25759272 is about 295.3324682167.

The spelling of 25759272 in words is "twenty-five million, seven hundred fifty-nine thousand, two hundred seventy-two".