253430211 has 8 divisors (see below), whose sum is σ = 338408784. Its totient is φ = 168702560.

The previous prime is 253430167. The next prime is 253430213. The reversal of 253430211 is 112034352.

253430211 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 253430211 - 2⁹ = 253429699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253430213) 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, 60360 + ... + 64421.

It is an arithmetic number, because the mean of its divisors is an integer number (42301098).

Almost surely, 2^253430211 is an apocalyptic number.

253430211 is a deficient number, since it is larger than the sum of its proper divisors (84978573).

253430211 is a wasteful number, since it uses less digits than its factorization.

253430211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125461.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 253430211 is about 15919.4915433879. The cubic root of 253430211 is about 632.8286436985.

Adding to 253430211 its reverse (112034352), we get a palindrome (365464563).

The spelling of 253430211 in words is "two hundred fifty-three million, four hundred thirty thousand, two hundred eleven".