210630153 has 8 divisors (see below), whose sum is σ = 297360288. Its totient is φ = 132160064.

The previous prime is 210630139. The next prime is 210630197. The reversal of 210630153 is 351036012.

210630153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210630153 - 2⁴ = 210630137 is a prime.

It is a super-2 number, since 2×210630153² = 88730122705606818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210632153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064951 + ... + 2065052.

It is an arithmetic number, because the mean of its divisors is an integer number (37170036).

Almost surely, 2^210630153 is an apocalyptic number.

It is an amenable number.

210630153 is a deficient number, since it is larger than the sum of its proper divisors (86730135).

210630153 is a wasteful number, since it uses less digits than its factorization.

210630153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130023.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 210630153 is about 14513.1028040182. The cubic root of 210630153 is about 594.9861381324.

Adding to 210630153 its reverse (351036012), we get a palindrome (561666165).

The spelling of 210630153 in words is "two hundred ten million, six hundred thirty thousand, one hundred fifty-three".