253223526 has 16 divisors (see below), whose sum is σ = 533102400. Its totient is φ = 79965288.

The previous prime is 253223521. The next prime is 253223567. The reversal of 253223526 is 625322352.

It is a junction number, because it is equal to n+sod(n) for n = 253223493 and 253223502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253223521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110516 + ... + 1110743.

It is an arithmetic number, because the mean of its divisors is an integer number (33318900).

Almost surely, 2^253223526 is an apocalyptic number.

253223526 is an abundant number, since it is smaller than the sum of its proper divisors (279878874).

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

253223526 is a wasteful number, since it uses less digits than its factorization.

253223526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221283.

The product of its digits is 21600, while the sum is 30.

The square root of 253223526 is about 15912.9986489034. The cubic root of 253223526 is about 632.6565624501.

Adding to 253223526 its reverse (625322352), we get a palindrome (878545878).

The spelling of 253223526 in words is "two hundred fifty-three million, two hundred twenty-three thousand, five hundred twenty-six".