1253413344 has 48 divisors (see below), whose sum is σ = 3327201360. Its totient is φ = 413107200.

The previous prime is 1253413331. The next prime is 1253413351. The reversal of 1253413344 is 4433143521.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64807 + ... + 81894.

It is an arithmetic number, because the mean of its divisors is an integer number (69316695).

Almost surely, 2^1253413344 is an apocalyptic number.

It is an amenable number.

1253413344 is an abundant number, since it is smaller than the sum of its proper divisors (2073788016).

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

1253413344 is a wasteful number, since it uses less digits than its factorization.

1253413344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146803 (or 146795 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 1253413344 is about 35403.5781242518. The cubic root of 1253413344 is about 1078.1969641121.

Adding to 1253413344 its reverse (4433143521), we get a palindrome (5686556865).

It can be divided in two parts, 12534 and 13344, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 1253413344 in words is "one billion, two hundred fifty-three million, four hundred thirteen thousand, three hundred forty-four".