213251014 has 4 divisors (see below), whose sum is σ = 319876524. Its totient is φ = 106625506.

The previous prime is 213251011. The next prime is 213251023. The reversal of 213251014 is 410152312.

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

It is a junction number, because it is equal to n+sod(n) for n = 213250982 and 213251000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213251011) by changing a digit.

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 as a sum of consecutive naturals, namely, 53312752 + ... + 53312755.

It is an arithmetic number, because the mean of its divisors is an integer number (79969131).

Almost surely, 2^213251014 is an apocalyptic number.

213251014 is a deficient number, since it is larger than the sum of its proper divisors (106625510).

213251014 is a wasteful number, since it uses less digits than its factorization.

213251014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106625509.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 213251014 is about 14603.1165851677. The cubic root of 213251014 is about 597.4437675177.

The spelling of 213251014 in words is "two hundred thirteen million, two hundred fifty-one thousand, fourteen".