213411450 has 48 divisors (see below), whose sum is σ = 604872000. Its totient is φ = 48779520.

The previous prime is 213411433. The next prime is 213411463. The reversal of 213411450 is 54114312.

It is a super-2 number, since 2×213411450² = 91088893982205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100575 + ... + 102674.

It is an arithmetic number, because the mean of its divisors is an integer number (12601500).

Almost surely, 2^213411450 is an apocalyptic number.

213411450 is an abundant number, since it is smaller than the sum of its proper divisors (391460550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213411450 is a wasteful number, since it uses less digits than its factorization.

213411450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203271 (or 203266 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 213411450 is about 14608.6087633286. The cubic root of 213411450 is about 597.5935557244.

Adding to 213411450 its reverse (54114312), we get a palindrome (267525762).

It can be divided in two parts, 21341 and 1450, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 213411450 in words is "two hundred thirteen million, four hundred eleven thousand, four hundred fifty".