253845001 has 2 divisors, whose sum is σ = 253845002. Its totient is φ = 253845000.

The previous prime is 253844947. The next prime is 253845013. The reversal of 253845001 is 100548352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142563600 + 111281401 = 11940^2 + 10549^2 .

It is a cyclic number.

It is not a de Polignac number, because 253845001 - 2¹⁵ = 253812233 is a prime.

It is not a weakly prime, because it can be changed into another prime (253845061) 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 as a sum of consecutive naturals, namely, 126922500 + 126922501.

It is an arithmetic number, because the mean of its divisors is an integer number (126922501).

Almost surely, 2^253845001 is an apocalyptic number.

It is an amenable number.

253845001 is a deficient number, since it is larger than the sum of its proper divisors (1).

253845001 is an equidigital number, since it uses as much as digits as its factorization.

253845001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 253845001 is about 15932.5139573138. The cubic root of 253845001 is about 633.1737063695.

The spelling of 253845001 in words is "two hundred fifty-three million, eight hundred forty-five thousand, one".