253241442 has 24 divisors (see below), whose sum is σ = 550740060. Its totient is φ = 84098400.

The previous prime is 253241423. The next prime is 253241447. The reversal of 253241442 is 244142352.

It can be written as a sum of positive squares in 2 ways, for example, as 253096281 + 145161 = 15909^2 + 381^2 .

It is not an unprimeable number, because it can be changed into a prime (253241447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21309 + ... + 30992.

Almost surely, 2^253241442 is an apocalyptic number.

253241442 is an abundant number, since it is smaller than the sum of its proper divisors (297498618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253241442 is a wasteful number, since it uses less digits than its factorization.

253241442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52578 (or 52575 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 253241442 is about 15913.5615749586. The cubic root of 253241442 is about 632.6714826115.

Adding to 253241442 its reverse (244142352), we get a palindrome (497383794).

The spelling of 253241442 in words is "two hundred fifty-three million, two hundred forty-one thousand, four hundred forty-two".