253425242 has 8 divisors (see below), whose sum is σ = 434443296. Its totient is φ = 108610812.

The previous prime is 253425241. The next prime is 253425251. The reversal of 253425242 is 242524352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (253425241) 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 3 ways as a sum of consecutive naturals, for example, 9050888 + ... + 9050915.

It is an arithmetic number, because the mean of its divisors is an integer number (54305412).

Almost surely, 2^253425242 is an apocalyptic number.

253425242 is a deficient number, since it is larger than the sum of its proper divisors (181018054).

253425242 is a wasteful number, since it uses less digits than its factorization.

253425242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18101812.

The product of its digits is 19200, while the sum is 29.

The square root of 253425242 is about 15919.3354760807. The cubic root of 253425242 is about 632.8245077195.

Adding to 253425242 its reverse (242524352), we get a palindrome (495949594).

The spelling of 253425242 in words is "two hundred fifty-three million, four hundred twenty-five thousand, two hundred forty-two".