253140342 has 32 divisors (see below), whose sum is σ = 623116032. Its totient is φ = 66762144.

The previous prime is 253140341. The next prime is 253140343. The reversal of 253140342 is 243041352.

It is an interprime number because it is at equal distance from previous prime (253140341) and next prime (253140343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253140341) 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 15 ways as a sum of consecutive naturals, for example, 231268 + ... + 232359.

It is an arithmetic number, because the mean of its divisors is an integer number (19472376).

Almost surely, 2^253140342 is an apocalyptic number.

253140342 is an abundant number, since it is smaller than the sum of its proper divisors (369975690).

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

253140342 is a wasteful number, since it uses less digits than its factorization.

253140342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463652.

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

The square root of 253140342 is about 15910.3847219355. The cubic root of 253140342 is about 632.5872789097.

Adding to 253140342 its reverse (243041352), we get a palindrome (496181694).

The spelling of 253140342 in words is "two hundred fifty-three million, one hundred forty thousand, three hundred forty-two".