253533201 has 4 divisors (see below), whose sum is σ = 338044272. Its totient is φ = 169022132.

The previous prime is 253533179. The next prime is 253533227. The reversal of 253533201 is 102335352.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253533201 - 2⁷ = 253533073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253533271) 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, 42255531 + ... + 42255536.

It is an arithmetic number, because the mean of its divisors is an integer number (84511068).

Almost surely, 2^253533201 is an apocalyptic number.

It is an amenable number.

253533201 is a deficient number, since it is larger than the sum of its proper divisors (84511071).

253533201 is an equidigital number, since it uses as much as digits as its factorization.

253533201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84511070.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 253533201 is about 15922.7259286844. The cubic root of 253533201 is about 632.9143559150.

Adding to 253533201 its reverse (102335352), we get a palindrome (355868553).

The spelling of 253533201 in words is "two hundred fifty-three million, five hundred thirty-three thousand, two hundred one".