7825212 has 18 divisors (see below), whose sum is σ = 19780488. Its totient is φ = 2608392.

The previous prime is 7825199. The next prime is 7825217. The reversal of 7825212 is 2125287.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×7825212² = 122467885689888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7825217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108648 + ... + 108719.

It is an arithmetic number, because the mean of its divisors is an integer number (1098916).

Almost surely, 2^7825212 is an apocalyptic number.

It is an amenable number.

7825212 is an abundant number, since it is smaller than the sum of its proper divisors (11955276).

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

7825212 is a wasteful number, since it uses less digits than its factorization.

7825212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217377 (or 217372 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 7825212 is about 2797.3580392935. The cubic root of 7825212 is about 198.5326947354.

The spelling of 7825212 in words is "seven million, eight hundred twenty-five thousand, two hundred twelve".