212913253 has 16 divisors (see below), whose sum is σ = 263640960. Its totient is φ = 167763456.

The previous prime is 212913251. The next prime is 212913263. The reversal of 212913253 is 352319212.

It is not a de Polignac number, because 212913253 - 2¹ = 212913251 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 (212913251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15688 + ... + 25921.

It is an arithmetic number, because the mean of its divisors is an integer number (16477560).

Almost surely, 2^212913253 is an apocalyptic number.

It is an amenable number.

212913253 is a deficient number, since it is larger than the sum of its proper divisors (50727707).

212913253 is a wasteful number, since it uses less digits than its factorization.

212913253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41676.

The product of its digits is 3240, while the sum is 28.

The square root of 212913253 is about 14591.5473134277. The cubic root of 212913253 is about 597.1281772466.

The spelling of 212913253 in words is "two hundred twelve million, nine hundred thirteen thousand, two hundred fifty-three".