212552613 has 32 divisors (see below), whose sum is σ = 387564800. Its totient is φ = 112114368.

The previous prime is 212552603. The next prime is 212552657. The reversal of 212552613 is 316255212.

It is a happy number.

212552613 is a `hidden beast` number, since 2 + 125 + 526 + 13 = 666.

It is not a de Polignac number, because 212552613 - 2⁴ = 212552597 is a prime.

It is a super-2 number, since 2×212552613² = 90357226586255538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212552603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40798 + ... + 45711.

It is an arithmetic number, because the mean of its divisors is an integer number (12111400).

Almost surely, 2^212552613 is an apocalyptic number.

It is an amenable number.

212552613 is a deficient number, since it is larger than the sum of its proper divisors (175012187).

212552613 is a wasteful number, since it uses less digits than its factorization.

212552613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86538 (or 86532 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 212552613 is about 14579.1842364379. The cubic root of 212552613 is about 596.7908411006.

The spelling of 212552613 in words is "two hundred twelve million, five hundred fifty-two thousand, six hundred thirteen".