213518426 has 8 divisors (see below), whose sum is σ = 349393824. Its totient is φ = 97053820.

The previous prime is 213518423. The next prime is 213518477. The reversal of 213518426 is 624815312.

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

It is a junction number, because it is equal to n+sod(n) for n = 213518392 and 213518401.

It is not an unprimeable number, because it can be changed into a prime (213518423) 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, 4852670 + ... + 4852713.

It is an arithmetic number, because the mean of its divisors is an integer number (43674228).

Almost surely, 2^213518426 is an apocalyptic number.

213518426 is a deficient number, since it is larger than the sum of its proper divisors (135875398).

213518426 is a wasteful number, since it uses less digits than its factorization.

213518426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9705396.

The product of its digits is 11520, while the sum is 32.

The square root of 213518426 is about 14612.2697073384. The cubic root of 213518426 is about 597.6933902452.

The spelling of 213518426 in words is "two hundred thirteen million, five hundred eighteen thousand, four hundred twenty-six".