210225113 has 4 divisors (see below), whose sum is σ = 240257280. Its totient is φ = 180192948.

The previous prime is 210225109. The next prime is 210225131. The reversal of 210225113 is 311522012.

It is a happy number.

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 210225113 - 2² = 210225109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 210225091 and 210225100.

It is not an unprimeable number, because it can be changed into a prime (210225173) 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, 15016073 + ... + 15016086.

It is an arithmetic number, because the mean of its divisors is an integer number (60064320).

Almost surely, 2^210225113 is an apocalyptic number.

It is an amenable number.

210225113 is a deficient number, since it is larger than the sum of its proper divisors (30032167).

210225113 is an equidigital number, since it uses as much as digits as its factorization.

210225113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30032166.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 210225113 is about 14499.1418021895. The cubic root of 210225113 is about 594.6045089701.

Adding to 210225113 its reverse (311522012), we get a palindrome (521747125).

The spelling of 210225113 in words is "two hundred ten million, two hundred twenty-five thousand, one hundred thirteen".