253049975 has 6 divisors (see below), whose sum is σ = 313782000. Its totient is φ = 202439960.

The previous prime is 253049959. The next prime is 253049977. The reversal of 253049975 is 579940352.

It is not a de Polignac number, because 253049975 - 2⁴ = 253049959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253049977) 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, 5060975 + ... + 5061024.

It is an arithmetic number, because the mean of its divisors is an integer number (52297000).

Almost surely, 2^253049975 is an apocalyptic number.

253049975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

253049975 is a deficient number, since it is larger than the sum of its proper divisors (60732025).

253049975 is a wasteful number, since it uses less digits than its factorization.

253049975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122009 (or 10122004 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 253049975 is about 15907.5445936826. The cubic root of 253049975 is about 632.5119954814.

The spelling of 253049975 in words is "two hundred fifty-three million, forty-nine thousand, nine hundred seventy-five".