253404269 has 2 divisors, whose sum is σ = 253404270. Its totient is φ = 253404268.

The previous prime is 253404209. The next prime is 253404287. The reversal of 253404269 is 962404352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232928644 + 20475625 = 15262^2 + 4525^2 .

It is a cyclic number.

It is not a de Polignac number, because 253404269 - 2¹⁶ = 253338733 is a prime.

It is a super-2 number, since 2×253404269² = 128427447094848722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253404209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126702134 + 126702135.

It is an arithmetic number, because the mean of its divisors is an integer number (126702135).

Almost surely, 2^253404269 is an apocalyptic number.

It is an amenable number.

253404269 is a deficient number, since it is larger than the sum of its proper divisors (1).

253404269 is an equidigital number, since it uses as much as digits as its factorization.

253404269 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 35.

The square root of 253404269 is about 15918.6767352064. The cubic root of 253404269 is about 632.8070501129.

The spelling of 253404269 in words is "two hundred fifty-three million, four hundred four thousand, two hundred sixty-nine".