213505514 has 8 divisors (see below), whose sum is σ = 320497668. Its totient is φ = 106672960.

The previous prime is 213505493. The next prime is 213505541. The reversal of 213505514 is 415505312.

It can be written as a sum of positive squares in 2 ways, for example, as 190302025 + 23203489 = 13795^2 + 4817^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36497 + ... + 41940.

Almost surely, 2^213505514 is an apocalyptic number.

213505514 is a deficient number, since it is larger than the sum of its proper divisors (106992154).

213505514 is a wasteful number, since it uses less digits than its factorization.

213505514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79800.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 213505514 is about 14611.8278801798. The cubic root of 213505514 is about 597.6813419913.

The spelling of 213505514 in words is "two hundred thirteen million, five hundred five thousand, five hundred fourteen".