213525552 has 40 divisors (see below), whose sum is σ = 562022064. Its totient is φ = 69831424.

The previous prime is 213525547. The next prime is 213525577. The reversal of 213525552 is 255525312.

It is a super-2 number, since 2×213525552² = 91186322713809408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39423 + ... + 44510.

Almost surely, 2^213525552 is an apocalyptic number.

It is an amenable number.

213525552 is an abundant number, since it is smaller than the sum of its proper divisors (348496512).

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

213525552 is a wasteful number, since it uses less digits than its factorization.

213525552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83997 (or 83991 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 213525552 is about 14612.5135414822. The cubic root of 213525552 is about 597.7000393446.

The spelling of 213525552 in words is "two hundred thirteen million, five hundred twenty-five thousand, five hundred fifty-two".