253209383253 has 6 divisors (see below), whose sum is σ = 365746886934. Its totient is φ = 168806255496.

The previous prime is 253209383243. The next prime is 253209383279. The reversal of 253209383253 is 352383902352.

253209383253 is a `hidden beast` number, since 2 + 532 + 0 + 9 + 38 + 32 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 252970773444 + 238609809 = 502962^2 + 15447^2 .

It is not a de Polignac number, because 253209383253 - 2²² = 253205188949 is a prime.

It is a super-2 number, since 2×253209383253² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253209383199 and 253209383208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253209383213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14067187950 + ... + 14067187967.

It is an arithmetic number, because the mean of its divisors is an integer number (60957814489).

Almost surely, 2^253209383253 is an apocalyptic number.

It is an amenable number.

253209383253 is a deficient number, since it is larger than the sum of its proper divisors (112537503681).

253209383253 is a wasteful number, since it uses less digits than its factorization.

253209383253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28134375923 (or 28134375920 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 253209383253 in words is "two hundred fifty-three billion, two hundred nine million, three hundred eighty-three thousand, two hundred fifty-three".