25903212 has 12 divisors (see below), whose sum is σ = 60440856. Its totient is φ = 8634400.

The previous prime is 25903211. The next prime is 25903249. The reversal of 25903212 is 21230952.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (25903211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079289 + ... + 1079312.

It is an arithmetic number, because the mean of its divisors is an integer number (5036738).

Almost surely, 2^25903212 is an apocalyptic number.

It is an amenable number.

25903212 is an abundant number, since it is smaller than the sum of its proper divisors (34537644).

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

25903212 is a wasteful number, since it uses less digits than its factorization.

25903212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158608 (or 2158606 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25903212 is about 5089.5198201795. The cubic root of 25903212 is about 295.8815419595.

The spelling of 25903212 in words is "twenty-five million, nine hundred three thousand, two hundred twelve".