212552653 has 4 divisors (see below), whose sum is σ = 212768128. Its totient is φ = 212337180.

The previous prime is 212552603. The next prime is 212552657. The reversal of 212552653 is 356255212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212552653 - 2¹³ = 212544461 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 (212552657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106251 + ... + 108232.

It is an arithmetic number, because the mean of its divisors is an integer number (53192032).

Almost surely, 2^212552653 is an apocalyptic number.

It is an amenable number.

212552653 is a deficient number, since it is larger than the sum of its proper divisors (215475).

212552653 is an equidigital number, since it uses as much as digits as its factorization.

212552653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215474.

The product of its digits is 18000, while the sum is 31.

The square root of 212552653 is about 14579.1856082567. The cubic root of 212552653 is about 596.7908785370.

The spelling of 212552653 in words is "two hundred twelve million, five hundred fifty-two thousand, six hundred fifty-three".