253420011 has 24 divisors (see below), whose sum is σ = 399622496. Its totient is φ = 153809280.

The previous prime is 253420007. The next prime is 253420019. The reversal of 253420011 is 110024352.

It is not a de Polignac number, because 253420011 - 2² = 253420007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253420019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6295 + ... + 23376.

Almost surely, 2^253420011 is an apocalyptic number.

253420011 is a deficient number, since it is larger than the sum of its proper divisors (146202485).

253420011 is a wasteful number, since it uses less digits than its factorization.

253420011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29763 (or 29760 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 253420011 is about 15919.1711781738. The cubic root of 253420011 is about 632.8201536047.

Adding to 253420011 its reverse (110024352), we get a palindrome (363444363).

The spelling of 253420011 in words is "two hundred fifty-three million, four hundred twenty thousand, eleven".