211450534 has 8 divisors (see below), whose sum is σ = 317545920. Its totient is φ = 105601896.

The previous prime is 211450507. The next prime is 211450633. The reversal of 211450534 is 435054112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211450534² = 89422656657770312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211450499 and 211450508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59529 + ... + 62980.

It is an arithmetic number, because the mean of its divisors is an integer number (39693240).

Almost surely, 2^211450534 is an apocalyptic number.

211450534 is a deficient number, since it is larger than the sum of its proper divisors (106095386).

211450534 is a wasteful number, since it uses less digits than its factorization.

211450534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123374.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 211450534 is about 14541.3387966858. The cubic root of 211450534 is about 595.7576056637.

The spelling of 211450534 in words is "two hundred eleven million, four hundred fifty thousand, five hundred thirty-four".