25270212 has 24 divisors (see below), whose sum is σ = 64324512. Its totient is φ = 7657600.

The previous prime is 25270207. The next prime is 25270213. The reversal of 25270212 is 21207252.

It is a happy number.

It is a super-2 number, since 2×25270212² = 1277167229049888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25270213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95589 + ... + 95852.

It is an arithmetic number, because the mean of its divisors is an integer number (2680188).

Almost surely, 2^25270212 is an apocalyptic number.

25270212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25270212 is an abundant number, since it is smaller than the sum of its proper divisors (39054300).

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

25270212 is a wasteful number, since it uses less digits than its factorization.

25270212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191459 (or 191457 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 25270212 is about 5026.9485774175. The cubic root of 25270212 is about 293.4514738769.

Adding to 25270212 its reverse (21207252), we get a palindrome (46477464).

The spelling of 25270212 in words is "twenty-five million, two hundred seventy thousand, two hundred twelve".