253820269 has 2 divisors, whose sum is σ = 253820270. Its totient is φ = 253820268.

The previous prime is 253820263. The next prime is 253820291. The reversal of 253820269 is 962028352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218655369 + 35164900 = 14787^2 + 5930^2 .

It is a cyclic number.

It is not a de Polignac number, because 253820269 - 2¹³ = 253812077 is a prime.

It is a super-2 number, since 2×253820269² = 128849457910464722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253820263) 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 as a sum of consecutive naturals, namely, 126910134 + 126910135.

It is an arithmetic number, because the mean of its divisors is an integer number (126910135).

Almost surely, 2^253820269 is an apocalyptic number.

It is an amenable number.

253820269 is a deficient number, since it is larger than the sum of its proper divisors (1).

253820269 is an equidigital number, since it uses as much as digits as its factorization.

253820269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 253820269 is about 15931.7377897077. The cubic root of 253820269 is about 633.1531424288.

The spelling of 253820269 in words is "two hundred fifty-three million, eight hundred twenty thousand, two hundred sixty-nine".