253550503213 has 16 divisors (see below), whose sum is σ = 307984568320. Its totient is φ = 203891684976.

The previous prime is 253550503207. The next prime is 253550503231. The reversal of 253550503213 is 312305055352.

It is not a de Polignac number, because 253550503213 - 2²¹ = 253548406061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253550507213) 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, 9240645 + ... + 9268042.

It is an arithmetic number, because the mean of its divisors is an integer number (19249035520).

Almost surely, 2^253550503213 is an apocalyptic number.

It is an amenable number.

253550503213 is a deficient number, since it is larger than the sum of its proper divisors (54434065107).

253550503213 is a wasteful number, since it uses less digits than its factorization.

253550503213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18508816.

The product of its (nonzero) digits is 67500, while the sum is 34.

Adding to 253550503213 its reverse (312305055352), we get a palindrome (565855558565).

The spelling of 253550503213 in words is "two hundred fifty-three billion, five hundred fifty million, five hundred three thousand, two hundred thirteen".