213352542 has 48 divisors (see below), whose sum is σ = 516275760. Its totient is φ = 65644992.

The previous prime is 213352537. The next prime is 213352549. The reversal of 213352542 is 245253312.

It is a happy number.

213352542 is a `hidden beast` number, since 2 + 133 + 525 + 4 + 2 = 666.

213352542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (213352549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10567 + ... + 23202.

It is an arithmetic number, because the mean of its divisors is an integer number (10755745).

Almost surely, 2^213352542 is an apocalyptic number.

213352542 is an abundant number, since it is smaller than the sum of its proper divisors (302923218).

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

213352542 is a wasteful number, since it uses less digits than its factorization.

213352542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33799 (or 33787 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 213352542 is about 14606.5924157553. The cubic root of 213352542 is about 597.5385660465.

The spelling of 213352542 in words is "two hundred thirteen million, three hundred fifty-two thousand, five hundred forty-two".