1253454344 has 8 divisors (see below), whose sum is σ = 2350226910. Its totient is φ = 626727168.

The previous prime is 1253454317. The next prime is 1253454379. The reversal of 1253454344 is 4434543521.

It can be written as a sum of positive squares in only one way, i.e., 958645444 + 294808900 = 30962^2 + 17170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1253454344² = 3142295584984940672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78340889 + ... + 78340904.

Almost surely, 2^1253454344 is an apocalyptic number.

It is an amenable number.

1253454344 is a deficient number, since it is larger than the sum of its proper divisors (1096772566).

1253454344 is a wasteful number, since it uses less digits than its factorization.

1253454344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156681799 (or 156681795 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

The square root of 1253454344 is about 35404.1571570345. The cubic root of 1253454344 is about 1078.2087201684.

Adding to 1253454344 its reverse (4434543521), we get a palindrome (5687997865).

The spelling of 1253454344 in words is "one billion, two hundred fifty-three million, four hundred fifty-four thousand, three hundred forty-four".