269378253 has 12 divisors (see below), whose sum is σ = 389569180. Its totient is φ = 179369856.

The previous prime is 269378227. The next prime is 269378261. The reversal of 269378253 is 352873962.

269378253 is a `hidden beast` number, since 26 + 9 + 378 + 253 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 109558089 + 159820164 = 10467^2 + 12642^2 .

It is not a de Polignac number, because 269378253 - 2¹⁸ = 269116109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 269378199 and 269378208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269378203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9868 + ... + 25221.

Almost surely, 2^269378253 is an apocalyptic number.

It is an amenable number.

269378253 is a deficient number, since it is larger than the sum of its proper divisors (120190927).

269378253 is a wasteful number, since it uses less digits than its factorization.

269378253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35948 (or 35945 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 269378253 is about 16412.7466622744. The cubic root of 269378253 is about 645.8339096695.

The spelling of 269378253 in words is "two hundred sixty-nine million, three hundred seventy-eight thousand, two hundred fifty-three".