213242052 has 48 divisors (see below), whose sum is σ = 507059840. Its totient is φ = 69735168.

The previous prime is 213242027. The next prime is 213242077. The reversal of 213242052 is 250242312.

It is an interprime number because it is at equal distance from previous prime (213242027) and next prime (213242077).

It is an unprimeable number.

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, 200073 + ... + 201135.

Almost surely, 2^213242052 is an apocalyptic number.

It is an amenable number.

213242052 is an abundant number, since it is smaller than the sum of its proper divisors (293817788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213242052 is a wasteful number, since it uses less digits than its factorization.

213242052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 213242052 is about 14602.8097296376. The cubic root of 213242052 is about 597.4353980912.

Adding to 213242052 its reverse (250242312), we get a palindrome (463484364).

The spelling of 213242052 in words is "two hundred thirteen million, two hundred forty-two thousand, fifty-two".