1253873975 has 6 divisors (see below), whose sum is σ = 1554803760. Its totient is φ = 1003099160.

The previous prime is 1253873969. The next prime is 1253873977. The reversal of 1253873975 is 5793783521.

It is not a de Polignac number, because 1253873975 - 2¹⁰ = 1253872951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253873977) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 25077455 + ... + 25077504.

It is an arithmetic number, because the mean of its divisors is an integer number (259133960).

Almost surely, 2^1253873975 is an apocalyptic number.

1253873975 is a deficient number, since it is larger than the sum of its proper divisors (300929785).

1253873975 is an equidigital number, since it uses as much as digits as its factorization.

1253873975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50154969 (or 50154964 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 50.

The square root of 1253873975 is about 35410.0829566947. The cubic root of 1253873975 is about 1078.3290275214.

The spelling of 1253873975 in words is "one billion, two hundred fifty-three million, eight hundred seventy-three thousand, nine hundred seventy-five".