253534330 has 24 divisors (see below), whose sum is σ = 530870868. Its totient is φ = 86925888.

The previous prime is 253534297. The next prime is 253534331. The reversal of 253534330 is 33435352.

253534330 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 240839361 + 12694969 = 15519^2 + 3563^2 .

It is not an unprimeable number, because it can be changed into a prime (253534331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258219 + ... + 259198.

Almost surely, 2^253534330 is an apocalyptic number.

253534330 is an abundant number, since it is smaller than the sum of its proper divisors (277336538).

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

253534330 is a wasteful number, since it uses less digits than its factorization.

253534330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517438 (or 517431 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 28.

The square root of 253534330 is about 15922.7613811173. The cubic root of 253534330 is about 632.9152953833.

Adding to 253534330 its reverse (33435352), we get a palindrome (286969682).

The spelling of 253534330 in words is "two hundred fifty-three million, five hundred thirty-four thousand, three hundred thirty".