213410061251 has 4 divisors (see below), whose sum is σ = 213804535104. Its totient is φ = 213015587400.

The previous prime is 213410061239. The next prime is 213410061259. The reversal of 213410061251 is 152160014312.

213410061251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213410061251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213410061251.

It is not an unprimeable number, because it can be changed into a prime (213410061259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197236115 + ... + 197237196.

It is an arithmetic number, because the mean of its divisors is an integer number (53451133776).

Almost surely, 2^213410061251 is an apocalyptic number.

213410061251 is a deficient number, since it is larger than the sum of its proper divisors (394473853).

213410061251 is an equidigital number, since it uses as much as digits as its factorization.

213410061251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394473852.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 213410061251 its reverse (152160014312), we get a palindrome (365570075563).

The spelling of 213410061251 in words is "two hundred thirteen billion, four hundred ten million, sixty-one thousand, two hundred fifty-one".