211434514 has 4 divisors (see below), whose sum is σ = 317151774. Its totient is φ = 105717256.

The previous prime is 211434493. The next prime is 211434557. The reversal of 211434514 is 415434112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 206066025 + 5368489 = 14355^2 + 2317^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52858627 + ... + 52858630.

Almost surely, 2^211434514 is an apocalyptic number.

211434514 is a deficient number, since it is larger than the sum of its proper divisors (105717260).

211434514 is a wasteful number, since it uses less digits than its factorization.

211434514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105717259.

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

The square root of 211434514 is about 14540.7879428867. The cubic root of 211434514 is about 595.7425599416.

Adding to 211434514 its reverse (415434112), we get a palindrome (626868626).

The spelling of 211434514 in words is "two hundred eleven million, four hundred thirty-four thousand, five hundred fourteen".