253534212 has 60 divisors (see below), whose sum is σ = 680733900. Its totient is φ = 82223424.

The previous prime is 253534189. The next prime is 253534247. The reversal of 253534212 is 212435352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125753796 + 127780416 = 11214^2 + 11304^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1414 + ... + 22562.

It is an arithmetic number, because the mean of its divisors is an integer number (11345565).

Almost surely, 2^253534212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253534212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340366950).

253534212 is an abundant number, since it is smaller than the sum of its proper divisors (427199688).

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

253534212 is a wasteful number, since it uses less digits than its factorization.

253534212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21202 (or 21191 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 253534212 is about 15922.7576757294. The cubic root of 253534212 is about 632.9151971928.

Adding to 253534212 its reverse (212435352), we get a palindrome (465969564).

The spelling of 253534212 in words is "two hundred fifty-three million, five hundred thirty-four thousand, two hundred twelve".