213525262 has 4 divisors (see below), whose sum is σ = 320287896. Its totient is φ = 106762630.

The previous prime is 213525251. The next prime is 213525269. The reversal of 213525262 is 262525312.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213525262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213525269) 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 as a sum of consecutive naturals, namely, 53381314 + ... + 53381317.

It is an arithmetic number, because the mean of its divisors is an integer number (80071974).

Almost surely, 2^213525262 is an apocalyptic number.

213525262 is a deficient number, since it is larger than the sum of its proper divisors (106762634).

213525262 is a wasteful number, since it uses less digits than its factorization.

213525262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106762633.

The product of its digits is 7200, while the sum is 28.

The square root of 213525262 is about 14612.5036184769. The cubic root of 213525262 is about 597.6997687554.

Subtracting 213525262 from its reverse (262525312), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 213525262 in words is "two hundred thirteen million, five hundred twenty-five thousand, two hundred sixty-two".