210134225 has 24 divisors (see below), whose sum is σ = 305063808. Its totient is φ = 140572800.

The previous prime is 210134219. The next prime is 210134231. The reversal of 210134225 is 522431012.

It is an interprime number because it is at equal distance from previous prime (210134219) and next prime (210134231).

It is not a de Polignac number, because 210134225 - 2⁴ = 210134209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210134197 and 210134206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7469 + ... + 21818.

It is an arithmetic number, because the mean of its divisors is an integer number (12710992).

Almost surely, 2^210134225 is an apocalyptic number.

210134225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

210134225 is a deficient number, since it is larger than the sum of its proper divisors (94929583).

210134225 is a wasteful number, since it uses less digits than its factorization.

210134225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29345 (or 29340 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 210134225 is about 14496.0072088834. The cubic root of 210134225 is about 594.5188068642.

Adding to 210134225 its reverse (522431012), we get a palindrome (732565237).

The spelling of 210134225 in words is "two hundred ten million, one hundred thirty-four thousand, two hundred twenty-five".