1253875500 has 72 divisors (see below), whose sum is σ = 3955573440. Its totient is φ = 334365600.

The previous prime is 1253875481. The next prime is 1253875559. The reversal of 1253875500 is 55783521.

1253875500 is a `hidden beast` number, since 1 + 2 + 538 + 75 + 50 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134820 + ... + 143819.

It is an arithmetic number, because the mean of its divisors is an integer number (54938520).

Almost surely, 2^1253875500 is an apocalyptic number.

1253875500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253875500 is an abundant number, since it is smaller than the sum of its proper divisors (2701697940).

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

1253875500 is a wasteful number, since it uses less digits than its factorization.

1253875500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278664 (or 278649 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 1253875500 is about 35410.1044901028. The cubic root of 1253875500 is about 1078.3294646868.

The spelling of 1253875500 in words is "one billion, two hundred fifty-three million, eight hundred seventy-five thousand, five hundred".