25462216 has 48 divisors (see below), whose sum is σ = 53198100. Its totient is φ = 11411712.

The previous prime is 25462153. The next prime is 25462231. The reversal of 25462216 is 61226452.

It can be written as a sum of positive squares in 6 ways, for example, as 12888100 + 12574116 = 3590^2 + 3546^2 .

It is a super-3 number, since 3×25462216³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49770 + ... + 50278.

Almost surely, 2^25462216 is an apocalyptic number.

25462216 is a gapful number since it is divisible by the number (26) 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 25462216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26599050).

25462216 is an abundant number, since it is smaller than the sum of its proper divisors (27735884).

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

25462216 is a wasteful number, since it uses less digits than its factorization.

25462216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 561 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 25462216 is about 5046.0099088290. The cubic root of 25462216 is about 294.1928178121.

Adding to 25462216 its reverse (61226452), we get a palindrome (86688668).

It can be divided in two parts, 25 and 462216, that added together give a triangular number (462241 = T₉₆₁).

The spelling of 25462216 in words is "twenty-five million, four hundred sixty-two thousand, two hundred sixteen".