253140210 has 48 divisors (see below), whose sum is σ = 663376896. Its totient is φ = 66969504.

The previous prime is 253140193. The next prime is 253140233. The reversal of 253140210 is 12041352.

253140210 is a `hidden beast` number, since 253 + 1 + 402 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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, 357 + ... + 22503.

It is an arithmetic number, because the mean of its divisors is an integer number (13820352).

Almost surely, 2^253140210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253140210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331688448).

253140210 is an abundant number, since it is smaller than the sum of its proper divisors (410236686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253140210 is a wasteful number, since it uses less digits than its factorization.

253140210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22287 (or 22284 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 253140210 is about 15910.3805737009. The cubic root of 253140210 is about 632.5871689555.

Adding to 253140210 its reverse (12041352), we get a palindrome (265181562).

The spelling of 253140210 in words is "two hundred fifty-three million, one hundred forty thousand, two hundred ten".