25715214 has 48 divisors (see below), whose sum is σ = 64217088. Its totient is φ = 7284816.

The previous prime is 25715177. The next prime is 25715231. The reversal of 25715214 is 41251752.

It is a super-2 number, since 2×25715214² = 1322544462131592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15199 + ... + 16805.

It is an arithmetic number, because the mean of its divisors is an integer number (1337856).

Almost surely, 2^25715214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25715214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32108544).

25715214 is an abundant number, since it is smaller than the sum of its proper divisors (38501874).

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

25715214 is a wasteful number, since it uses less digits than its factorization.

25715214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749 (or 1746 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 25715214 is about 5071.0170577508. The cubic root of 25715214 is about 295.1639957631.

Adding to 25715214 its reverse (41251752), we get a palindrome (66966966).

The spelling of 25715214 in words is "twenty-five million, seven hundred fifteen thousand, two hundred fourteen".