253504135 has 16 divisors (see below), whose sum is σ = 317915136. Its totient is φ = 193864608.

The previous prime is 253504133. The next prime is 253504157. The reversal of 253504135 is 531405352.

253504135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 253504135 - 2¹ = 253504133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253504133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2439 + ... + 22648.

It is an arithmetic number, because the mean of its divisors is an integer number (19869696).

Almost surely, 2^253504135 is an apocalyptic number.

253504135 is a deficient number, since it is larger than the sum of its proper divisors (64411001).

253504135 is a wasteful number, since it uses less digits than its factorization.

253504135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25182.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 253504135 is about 15921.8131819212. The cubic root of 253504135 is about 632.8901684297.

Adding to 253504135 its reverse (531405352), we get a palindrome (784909487).

The spelling of 253504135 in words is "two hundred fifty-three million, five hundred four thousand, one hundred thirty-five".