213054252 has 24 divisors (see below), whose sum is σ = 502714800. Its totient is φ = 70219776.

The previous prime is 213054241. The next prime is 213054253. The reversal of 213054252 is 252450312.

It is a super-2 number, since 2×213054252² = 90784228590559008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213054253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98677 + ... + 100812.

It is an arithmetic number, because the mean of its divisors is an integer number (20946450).

Almost surely, 2^213054252 is an apocalyptic number.

It is an amenable number.

213054252 is an abundant number, since it is smaller than the sum of its proper divisors (289660548).

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

213054252 is a wasteful number, since it uses less digits than its factorization.

213054252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199585 (or 199583 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 213054252 is about 14596.3780438847. The cubic root of 213054252 is about 597.2599615859.

The spelling of 213054252 in words is "two hundred thirteen million, fifty-four thousand, two hundred fifty-two".