253216026 has 36 divisors (see below), whose sum is σ = 638209962. Its totient is φ = 72347184.

The previous prime is 253216013. The next prime is 253216027. The reversal of 253216026 is 620612352.

253216026 is a `hidden beast` number, since 2 + 53 + 2 + 1 + 602 + 6 = 666.

253216026 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 189200025 + 64016001 = 13755^2 + 8001^2 .

It is not an unprimeable number, because it can be changed into a prime (253216027) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 142665 + ... + 144428.

Almost surely, 2^253216026 is an apocalyptic number.

253216026 is an abundant number, since it is smaller than the sum of its proper divisors (384993936).

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

253216026 is a wasteful number, since it uses less digits than its factorization.

253216026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287115 (or 287105 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 253216026 is about 15912.7629907568. The cubic root of 253216026 is about 632.6503163597.

Adding to 253216026 its reverse (620612352), we get a palindrome (873828378).

The spelling of 253216026 in words is "two hundred fifty-three million, two hundred sixteen thousand, twenty-six".