1253353408 has 14 divisors (see below), whose sum is σ = 2487123296. Its totient is φ = 626676672.

The previous prime is 1253353403. The next prime is 1253353457. The reversal of 1253353408 is 8043533521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253353403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9791760 + ... + 9791887.

It is an arithmetic number, because the mean of its divisors is an integer number (177651664).

Almost surely, 2^1253353408 is an apocalyptic number.

It is an amenable number.

1253353408 is a deficient number, since it is larger than the sum of its proper divisors (1233769888).

1253353408 is an equidigital number, since it uses as much as digits as its factorization.

1253353408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19583659 (or 19583649 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1253353408 is about 35402.7316460185. The cubic root of 1253353408 is about 1078.1797780169.

Adding to 1253353408 its reverse (8043533521), we get a palindrome (9296886929).

It can be divided in two parts, 125 and 3353408, that added together give a palindrome (3353533).

The spelling of 1253353408 in words is "one billion, two hundred fifty-three million, three hundred fifty-three thousand, four hundred eight".