213511413 has 16 divisors (see below), whose sum is σ = 289498752. Its totient is φ = 139944000.

The previous prime is 213511411. The next prime is 213511421. The reversal of 213511413 is 314115312.

It is not a de Polignac number, because 213511413 - 2¹ = 213511411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213511413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213511411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88483 + ... + 90863.

It is an arithmetic number, because the mean of its divisors is an integer number (18093672).

Almost surely, 2^213511413 is an apocalyptic number.

It is an amenable number.

213511413 is a deficient number, since it is larger than the sum of its proper divisors (75987339).

213511413 is a wasteful number, since it uses less digits than its factorization.

213511413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876.

The product of its digits is 360, while the sum is 21.

The square root of 213511413 is about 14612.0297358033. The cubic root of 213511413 is about 597.6868464389.

Adding to 213511413 its reverse (314115312), we get a palindrome (527626725).

It can be divided in two parts, 213 and 511413, that multiplied together give a square (108930969 = 10437²).

The spelling of 213511413 in words is "two hundred thirteen million, five hundred eleven thousand, four hundred thirteen".