1253954484 has 18 divisors (see below), whose sum is σ = 3169718370. Its totient is φ = 417984816.

The previous prime is 1253954483. The next prime is 1253954489. The reversal of 1253954484 is 4844593521.

1253954484 is a `hidden beast` number, since 1 + 25 + 3 + 9 + 544 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1144333584 + 109620900 = 33828^2 + 10470^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253954483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17415999 + ... + 17416070.

It is an arithmetic number, because the mean of its divisors is an integer number (176095465).

Almost surely, 2^1253954484 is an apocalyptic number.

It is an amenable number.

1253954484 is an abundant number, since it is smaller than the sum of its proper divisors (1915763886).

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

1253954484 is a wasteful number, since it uses less digits than its factorization.

1253954484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34832079 (or 34832074 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 1253954484 is about 35411.2197474190. The cubic root of 1253954484 is about 1078.3521062186.

The spelling of 1253954484 in words is "one billion, two hundred fifty-three million, nine hundred fifty-four thousand, four hundred eighty-four".