253402143 has 16 divisors (see below), whose sum is σ = 341927040. Its totient is φ = 166918176.

The previous prime is 253402141. The next prime is 253402151. The reversal of 253402143 is 341204352.

It is not a de Polignac number, because 253402143 - 2¹ = 253402141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253402141) 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, 93321 + ... + 95997.

It is an arithmetic number, because the mean of its divisors is an integer number (21370440).

Almost surely, 2^253402143 is an apocalyptic number.

253402143 is a deficient number, since it is larger than the sum of its proper divisors (88524897).

253402143 is a wasteful number, since it uses less digits than its factorization.

253402143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 253402143 is about 15918.6099581590. The cubic root of 253402143 is about 632.8052804090.

Adding to 253402143 its reverse (341204352), we get a palindrome (594606495).

The spelling of 253402143 in words is "two hundred fifty-three million, four hundred two thousand, one hundred forty-three".