213244254 has 24 divisors (see below), whose sum is σ = 464073480. Its totient is φ = 70766928.

The previous prime is 213244237. The next prime is 213244313. The reversal of 213244254 is 452442312.

213244254 is a `hidden beast` number, since 213 + 2 + 442 + 5 + 4 = 666.

213244254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213244254² = 90946223728033032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22009 + ... + 30180.

It is an arithmetic number, because the mean of its divisors is an integer number (19336395).

Almost surely, 2^213244254 is an apocalyptic number.

213244254 is an abundant number, since it is smaller than the sum of its proper divisors (250829226).

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

213244254 is a wasteful number, since it uses less digits than its factorization.

213244254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52424 (or 52421 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 213244254 is about 14602.8851258921. The cubic root of 213244254 is about 597.4374545152.

Adding to 213244254 its reverse (452442312), we get a palindrome (665686566).

The spelling of 213244254 in words is "two hundred thirteen million, two hundred forty-four thousand, two hundred fifty-four".