213215354 has 16 divisors (see below), whose sum is σ = 349643520. Its totient is φ = 96708960.

The previous prime is 213215341. The next prime is 213215357. The reversal of 213215354 is 453512312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (213215357) 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, 422 + ... + 20654.

It is an arithmetic number, because the mean of its divisors is an integer number (21852720).

Almost surely, 2^213215354 is an apocalyptic number.

213215354 is a deficient number, since it is larger than the sum of its proper divisors (136428166).

213215354 is a wasteful number, since it uses less digits than its factorization.

213215354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20725.

The product of its digits is 3600, while the sum is 26.

The square root of 213215354 is about 14601.8955618783. The cubic root of 213215354 is about 597.4104639912.

Adding to 213215354 its reverse (453512312), we get a palindrome (666727666).

The spelling of 213215354 in words is "two hundred thirteen million, two hundred fifteen thousand, three hundred fifty-four".