213014651 has 4 divisors (see below), whose sum is σ = 213149304. Its totient is φ = 212880000.

The previous prime is 213014629. The next prime is 213014663. The reversal of 213014651 is 156410312.

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

It is a cyclic number.

It is not a de Polignac number, because 213014651 - 2¹⁰ = 213013627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213014611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64925 + ... + 68126.

It is an arithmetic number, because the mean of its divisors is an integer number (53287326).

Almost surely, 2^213014651 is an apocalyptic number.

213014651 is a deficient number, since it is larger than the sum of its proper divisors (134653).

213014651 is a wasteful number, since it uses less digits than its factorization.

213014651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134652.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 213014651 is about 14595.0214456848. The cubic root of 213014651 is about 597.2229544901. Note that the first 3 decimals are identical.

Adding to 213014651 its reverse (156410312), we get a palindrome (369424963).

It can be divided in two parts, 21301 and 4651, that added together give a palindrome (25952).

The spelling of 213014651 in words is "two hundred thirteen million, fourteen thousand, six hundred fifty-one".