253550273 has 6 divisors (see below), whose sum is σ = 259886982. Its totient is φ = 247364480.

The previous prime is 253550267. The next prime is 253550279. The reversal of 253550273 is 372055352.

It is an interprime number because it is at equal distance from previous prime (253550267) and next prime (253550279).

It can be written as a sum of positive squares in 3 ways, for example, as 7907344 + 245642929 = 2812^2 + 15673^2 .

It is not a de Polignac number, because 253550273 - 2¹⁰ = 253549249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253550279) 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, 73736 + ... + 77097.

It is an arithmetic number, because the mean of its divisors is an integer number (43314497).

Almost surely, 2^253550273 is an apocalyptic number.

It is an amenable number.

253550273 is a deficient number, since it is larger than the sum of its proper divisors (6336709).

253550273 is an equidigital number, since it uses as much as digits as its factorization.

253550273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150915 (or 150874 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 253550273 is about 15923.2620087719. The cubic root of 253550273 is about 632.9285616433.

The spelling of 253550273 in words is "two hundred fifty-three million, five hundred fifty thousand, two hundred seventy-three".