253436053 has 4 divisors (see below), whose sum is σ = 272931148. Its totient is φ = 233940960.

The previous prime is 253436039. The next prime is 253436063. The reversal of 253436053 is 350634352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146458404 + 106977649 = 12102^2 + 10343^2 .

It is a cyclic number.

It is not a de Polignac number, because 253436053 - 2¹³ = 253427861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253436063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9747528 + ... + 9747553.

It is an arithmetic number, because the mean of its divisors is an integer number (68232787).

Almost surely, 2^253436053 is an apocalyptic number.

It is an amenable number.

253436053 is a deficient number, since it is larger than the sum of its proper divisors (19495095).

253436053 is a wasteful number, since it uses less digits than its factorization.

253436053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19495094.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 253436053 is about 15919.6750280902. The cubic root of 253436053 is about 632.8335062555.

The spelling of 253436053 in words is "two hundred fifty-three million, four hundred thirty-six thousand, fifty-three".