213344025 has 12 divisors (see below), whose sum is σ = 352728912. Its totient is φ = 113783440.

The previous prime is 213343997. The next prime is 213344029. The reversal of 213344025 is 520443312.

It is not a de Polignac number, because 213344025 - 2⁹ = 213343513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213343986 and 213344004.

It is not an unprimeable number, because it can be changed into a prime (213344029) 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 in 11 ways as a sum of consecutive naturals, for example, 1422219 + ... + 1422368.

It is an arithmetic number, because the mean of its divisors is an integer number (29394076).

Almost surely, 2^213344025 is an apocalyptic number.

213344025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213344025 is a deficient number, since it is larger than the sum of its proper divisors (139384887).

213344025 is a wasteful number, since it uses less digits than its factorization.

213344025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844600 (or 2844595 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 213344025 is about 14606.3008664069. The cubic root of 213344025 is about 597.5306147254.

Adding to 213344025 its reverse (520443312), we get a palindrome (733787337).

The spelling of 213344025 in words is "two hundred thirteen million, three hundred forty-four thousand, twenty-five".