212635245 has 16 divisors (see below), whose sum is σ = 340971840. Its totient is φ = 113153664.

The previous prime is 212635243. The next prime is 212635249. The reversal of 212635245 is 542536212.

It is not a de Polignac number, because 212635245 - 2¹ = 212635243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212635243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8655 + ... + 22364.

It is an arithmetic number, because the mean of its divisors is an integer number (21310740).

Almost surely, 2^212635245 is an apocalyptic number.

It is an amenable number.

212635245 is a deficient number, since it is larger than the sum of its proper divisors (128336595).

212635245 is a wasteful number, since it uses less digits than its factorization.

212635245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31484.

The product of its digits is 14400, while the sum is 30.

The square root of 212635245 is about 14582.0178644795. The cubic root of 212635245 is about 596.8681672600.

The spelling of 212635245 in words is "two hundred twelve million, six hundred thirty-five thousand, two hundred forty-five".