213141550 has 12 divisors (see below), whose sum is σ = 396443376. Its totient is φ = 85256600.

The previous prime is 213141547. The next prime is 213141553. The reversal of 213141550 is 55141312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213141547) and next prime (213141553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213141553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2131366 + ... + 2131465.

It is an arithmetic number, because the mean of its divisors is an integer number (33036948).

Almost surely, 2^213141550 is an apocalyptic number.

213141550 is a deficient number, since it is larger than the sum of its proper divisors (183301826).

213141550 is a wasteful number, since it uses less digits than its factorization.

213141550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262843 (or 4262838 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 213141550 is about 14599.3681370120. The cubic root of 213141550 is about 597.3415252877.

Adding to 213141550 its reverse (55141312), we get a palindrome (268282862).

It can be divided in two parts, 2131 and 41550, that added together give a square (43681 = 209²).

The spelling of 213141550 in words is "two hundred thirteen million, one hundred forty-one thousand, five hundred fifty".