25061212 has 12 divisors (see below), whose sum is σ = 47844216. Its totient is φ = 11391440.

The previous prime is 25061207. The next prime is 25061221. The reversal of 25061212 is 21216052.

It is a self number, because there is not a number n which added to its sum of digits gives 25061212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284743 + ... + 284830.

It is an arithmetic number, because the mean of its divisors is an integer number (3987018).

Almost surely, 2^25061212 is an apocalyptic number.

25061212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25061212 is a deficient number, since it is larger than the sum of its proper divisors (22783004).

25061212 is a wasteful number, since it uses less digits than its factorization.

25061212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569588 (or 569586 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 25061212 is about 5006.1174576712. The cubic root of 25061212 is about 292.6402259437.

Adding to 25061212 its reverse (21216052), we get a palindrome (46277264).

The spelling of 25061212 in words is "twenty-five million, sixty-one thousand, two hundred twelve".