25210872 has 64 divisors (see below), whose sum is σ = 73728000. Its totient is φ = 7960032.

The previous prime is 25210849. The next prime is 25210879. The reversal of 25210872 is 27801252.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25210879) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1033 + ... + 7175.

It is an arithmetic number, because the mean of its divisors is an integer number (1152000).

Almost surely, 2^25210872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25210872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36864000).

25210872 is an abundant number, since it is smaller than the sum of its proper divisors (48517128).

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

25210872 is a wasteful number, since it uses less digits than its factorization.

25210872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6177 (or 6167 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 25210872 is about 5021.0429195537. The cubic root of 25210872 is about 293.2215977097.

The spelling of 25210872 in words is "twenty-five million, two hundred ten thousand, eight hundred seventy-two".