213413340425 has 48 divisors (see below), whose sum is σ = 285607969920. Its totient is φ = 157659840000.

The previous prime is 213413340421. The next prime is 213413340443. The reversal of 213413340425 is 524043314312.

It is not a de Polignac number, because 213413340425 - 2² = 213413340421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213413340391 and 213413340400.

It is not an unprimeable number, because it can be changed into a prime (213413340421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25332764 + ... + 25341186.

It is an arithmetic number, because the mean of its divisors is an integer number (5950166040).

Almost surely, 2^213413340425 is an apocalyptic number.

213413340425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213413340425 is a deficient number, since it is larger than the sum of its proper divisors (72194629495).

213413340425 is a wasteful number, since it uses less digits than its factorization.

213413340425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9794 (or 9789 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 213413340425 its reverse (524043314312), we get a palindrome (737456654737).

The spelling of 213413340425 in words is "two hundred thirteen billion, four hundred thirteen million, three hundred forty thousand, four hundred twenty-five".