210240413 has 4 divisors (see below), whose sum is σ = 211120320. Its totient is φ = 209360508.

The previous prime is 210240397. The next prime is 210240421. The reversal of 210240413 is 314042012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210240413 - 2⁴ = 210240397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210240391 and 210240400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210240463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439595 + ... + 440072.

It is an arithmetic number, because the mean of its divisors is an integer number (52780080).

Almost surely, 2^210240413 is an apocalyptic number.

It is an amenable number.

210240413 is a deficient number, since it is larger than the sum of its proper divisors (879907).

210240413 is an equidigital number, since it uses as much as digits as its factorization.

210240413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879906.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 210240413 is about 14499.6694100245. The cubic root of 210240413 is about 594.6189335523.

Adding to 210240413 its reverse (314042012), we get a palindrome (524282425).

The spelling of 210240413 in words is "two hundred ten million, two hundred forty thousand, four hundred thirteen".