25435212 has 48 divisors (see below), whose sum is σ = 65100672. Its totient is φ = 7665280.

The previous prime is 25435183. The next prime is 25435229. The reversal of 25435212 is 21253452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30343 + ... + 31169.

It is an arithmetic number, because the mean of its divisors is an integer number (1356264).

Almost surely, 2^25435212 is an apocalyptic number.

25435212 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 25435212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32550336).

25435212 is an abundant number, since it is smaller than the sum of its proper divisors (39665460).

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

25435212 is a wasteful number, since it uses less digits than its factorization.

25435212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1076 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 25435212 is about 5043.3334214585. Note that the first 3 decimals coincide. The cubic root of 25435212 is about 294.0887787792.

Adding to 25435212 its reverse (21253452), we get a palindrome (46688664).

The spelling of 25435212 in words is "twenty-five million, four hundred thirty-five thousand, two hundred twelve".