1253544424 has 16 divisors (see below), whose sum is σ = 2564068320. Its totient is φ = 569792880.

The previous prime is 1253544421. The next prime is 1253544433. The reversal of 1253544424 is 4244453521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253544424.

It is not an unprimeable number, because it can be changed into a prime (1253544421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7122324 + ... + 7122499.

It is an arithmetic number, because the mean of its divisors is an integer number (160254270).

Almost surely, 2^1253544424 is an apocalyptic number.

It is an amenable number.

1253544424 is an abundant number, since it is smaller than the sum of its proper divisors (1310523896).

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

1253544424 is a wasteful number, since it uses less digits than its factorization.

1253544424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14244840 (or 14244836 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

The square root of 1253544424 is about 35405.4293011679. The cubic root of 1253544424 is about 1078.2345481840.

Adding to 1253544424 its reverse (4244453521), we get a palindrome (5497997945).

The spelling of 1253544424 in words is "one billion, two hundred fifty-three million, five hundred forty-four thousand, four hundred twenty-four".