212862925 has 12 divisors (see below), whose sum is σ = 287945856. Its totient is φ = 154809200.

The previous prime is 212862913. The next prime is 212862941. The reversal of 212862925 is 529268212.

It is not a de Polignac number, because 212862925 - 2⁹ = 212862413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386749 + ... + 387298.

It is an arithmetic number, because the mean of its divisors is an integer number (23995488).

Almost surely, 2^212862925 is an apocalyptic number.

212862925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212862925 is a deficient number, since it is larger than the sum of its proper divisors (75082931).

212862925 is a wasteful number, since it uses less digits than its factorization.

212862925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774068 (or 774063 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 212862925 is about 14589.8226514238. The cubic root of 212862925 is about 597.0811242259.

The spelling of 212862925 in words is "two hundred twelve million, eight hundred sixty-two thousand, nine hundred twenty-five".