253247326 has 4 divisors (see below), whose sum is σ = 379870992. Its totient is φ = 126623662.

The previous prime is 253247321. The next prime is 253247347. The reversal of 253247326 is 623742352.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 253247291 and 253247300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253247321) 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 as a sum of consecutive naturals, namely, 63311830 + ... + 63311833.

It is an arithmetic number, because the mean of its divisors is an integer number (94967748).

Almost surely, 2^253247326 is an apocalyptic number.

253247326 is a deficient number, since it is larger than the sum of its proper divisors (126623666).

253247326 is a wasteful number, since it uses less digits than its factorization.

253247326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126623665.

The product of its digits is 60480, while the sum is 34.

The square root of 253247326 is about 15913.7464476471. The cubic root of 253247326 is about 632.6763825602.

Adding to 253247326 its reverse (623742352), we get a palindrome (876989678).

The spelling of 253247326 in words is "two hundred fifty-three million, two hundred forty-seven thousand, three hundred twenty-six".