213054242 has 8 divisors (see below), whose sum is σ = 330601500. Its totient is φ = 102853744.

The previous prime is 213054241. The next prime is 213054253. The reversal of 213054242 is 242450312.

It is a happy number.

213054242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 208253761 + 4800481 = 14431^2 + 2191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×213054242² = 90784220068389128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213054241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836617 + ... + 1836732.

Almost surely, 2^213054242 is an apocalyptic number.

213054242 is a deficient number, since it is larger than the sum of its proper divisors (117547258).

213054242 is a wasteful number, since it uses less digits than its factorization.

213054242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673380.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 213054242 is about 14596.3777013340. The cubic root of 213054242 is about 597.2599522415.

The spelling of 213054242 in words is "two hundred thirteen million, fifty-four thousand, two hundred forty-two".