213411445 has 32 divisors (see below), whose sum is σ = 282610944. Its totient is φ = 153753600.

The previous prime is 213411433. The next prime is 213411463. The reversal of 213411445 is 544114312.

It is not a de Polignac number, because 213411445 - 2⁵ = 213411413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604389 + ... + 604741.

It is an arithmetic number, because the mean of its divisors is an integer number (8831592).

Almost surely, 2^213411445 is an apocalyptic number.

It is an amenable number.

213411445 is a deficient number, since it is larger than the sum of its proper divisors (69199499).

213411445 is a wasteful number, since it uses less digits than its factorization.

213411445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

The product of its digits is 1920, while the sum is 25.

The square root of 213411445 is about 14608.6085921966. The cubic root of 213411445 is about 597.5935510574.

Adding to 213411445 its reverse (544114312), we get a palindrome (757525757).

The spelling of 213411445 in words is "two hundred thirteen million, four hundred eleven thousand, four hundred forty-five".