25340212 has 6 divisors (see below), whose sum is σ = 44345378. Its totient is φ = 12670104.

The previous prime is 25340209. The next prime is 25340219. The reversal of 25340212 is 21204352.

It can be written as a sum of positive squares in only one way, i.e., 17522596 + 7817616 = 4186^2 + 2796^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25340212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25340219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3167523 + ... + 3167530.

Almost surely, 2^25340212 is an apocalyptic number.

It is an amenable number.

25340212 is a deficient number, since it is larger than the sum of its proper divisors (19005166).

25340212 is a wasteful number, since it uses less digits than its factorization.

25340212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335057 (or 6335055 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 25340212 is about 5033.9062367112. The cubic root of 25340212 is about 293.7221834532.

Adding to 25340212 its reverse (21204352), we get a palindrome (46544564).

It can be divided in two parts, 25340 and 212, that added together give a palindrome (25552).

The spelling of 25340212 in words is "twenty-five million, three hundred forty thousand, two hundred twelve".