212496925 has 6 divisors (see below), whose sum is σ = 263496218. Its totient is φ = 169997520.

The previous prime is 212496913. The next prime is 212496929. The reversal of 212496925 is 529694212.

212496925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3896676 + 208600249 = 1974^2 + 14443^2 .

It is not a de Polignac number, because 212496925 - 2²¹ = 210399773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212496929) 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, 4249914 + ... + 4249963.

Almost surely, 2^212496925 is an apocalyptic number.

212496925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212496925 is a deficient number, since it is larger than the sum of its proper divisors (50999293).

212496925 is an equidigital number, since it uses as much as digits as its factorization.

212496925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8499887 (or 8499882 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 212496925 is about 14577.2742651018. The cubic root of 212496925 is about 596.7387175491.

The spelling of 212496925 in words is "two hundred twelve million, four hundred ninety-six thousand, nine hundred twenty-five".