253053257 has 4 divisors (see below), whose sum is σ = 253617300. Its totient is φ = 252489216.

The previous prime is 253053247. The next prime is 253053277. The reversal of 253053257 is 752350352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71639296 + 181413961 = 8464^2 + 13469^2 .

It is a cyclic number.

It is not a de Polignac number, because 253053257 - 2¹⁸ = 252791113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253053247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281348 + ... + 282245.

It is an arithmetic number, because the mean of its divisors is an integer number (63404325).

Almost surely, 2^253053257 is an apocalyptic number.

It is an amenable number.

253053257 is a deficient number, since it is larger than the sum of its proper divisors (564043).

253053257 is an equidigital number, since it uses as much as digits as its factorization.

253053257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564042.

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

The square root of 253053257 is about 15907.6477519462. The cubic root of 253053257 is about 632.5147299813.

The spelling of 253053257 in words is "two hundred fifty-three million, fifty-three thousand, two hundred fifty-seven".