253130421041 has 4 divisors (see below), whose sum is σ = 266453074800. Its totient is φ = 239807767284.

The previous prime is 253130421029. The next prime is 253130421091. The reversal of 253130421041 is 140124031352.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-253130421041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253130421041.

It is not an unprimeable number, because it can be changed into a prime (253130421001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6661326851 + ... + 6661326888.

It is an arithmetic number, because the mean of its divisors is an integer number (66613268700).

Almost surely, 2^253130421041 is an apocalyptic number.

It is an amenable number.

253130421041 is a deficient number, since it is larger than the sum of its proper divisors (13322653759).

253130421041 is a wasteful number, since it uses less digits than its factorization.

253130421041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13322653758.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 253130421041 its reverse (140124031352), we get a palindrome (393254452393).

The spelling of 253130421041 in words is "two hundred fifty-three billion, one hundred thirty million, four hundred twenty-one thousand, forty-one".