253434155 has 16 divisors (see below), whose sum is σ = 328165824. Its totient is φ = 186779520.

The previous prime is 253434151. The next prime is 253434163. The reversal of 253434155 is 551434352.

It is a happy number.

It is not a de Polignac number, because 253434155 - 2² = 253434151 is a prime.

It is a super-3 number, since 3×253434155³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253434151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31562 + ... + 38768.

It is an arithmetic number, because the mean of its divisors is an integer number (20510364).

Almost surely, 2^253434155 is an apocalyptic number.

253434155 is a deficient number, since it is larger than the sum of its proper divisors (74731669).

253434155 is a wasteful number, since it uses less digits than its factorization.

253434155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7766.

The product of its digits is 36000, while the sum is 32.

The square root of 253434155 is about 15919.6154162090. The cubic root of 253434155 is about 632.8319264737.

The spelling of 253434155 in words is "two hundred fifty-three million, four hundred thirty-four thousand, one hundred fifty-five".