213425351 has 4 divisors (see below), whose sum is σ = 216610872. Its totient is φ = 210239832.

The previous prime is 213425341. The next prime is 213425353. The reversal of 213425351 is 153524312.

It is a happy number.

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 213425351 - 2¹⁴ = 213408967 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 213425351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213425353) 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, 1592660 + ... + 1592793.

It is an arithmetic number, because the mean of its divisors is an integer number (54152718).

Almost surely, 2^213425351 is an apocalyptic number.

213425351 is a deficient number, since it is larger than the sum of its proper divisors (3185521).

213425351 is an equidigital number, since it uses as much as digits as its factorization.

213425351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185520.

The product of its digits is 3600, while the sum is 26.

The square root of 213425351 is about 14609.0845366847. The cubic root of 213425351 is about 597.6065306103.

Adding to 213425351 its reverse (153524312), we get a palindrome (366949663).

The spelling of 213425351 in words is "two hundred thirteen million, four hundred twenty-five thousand, three hundred fifty-one".