25211024 has 40 divisors (see below), whose sum is σ = 51901440. Its totient is φ = 11829888.

The previous prime is 25211009. The next prime is 25211027. The reversal of 25211024 is 42011252.

It is a super-2 number, since 2×25211024² = 1271191462257152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25210993 and 25211011.

It is not an unprimeable number, because it can be changed into a prime (25211027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38282 + ... + 38934.

It is an arithmetic number, because the mean of its divisors is an integer number (1297536).

Almost surely, 2^25211024 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 25211024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25950720).

25211024 is an abundant number, since it is smaller than the sum of its proper divisors (26690416).

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

25211024 is a wasteful number, since it uses less digits than its factorization.

25211024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 25211024 is about 5021.0580558285. The cubic root of 25211024 is about 293.2221870004. Note that the first 3 decimals are identical.

Adding to 25211024 its reverse (42011252), we get a palindrome (67222276).

The spelling of 25211024 in words is "twenty-five million, two hundred eleven thousand, twenty-four".