253612005 has 8 divisors (see below), whose sum is σ = 405779232. Its totient is φ = 135259728.

The previous prime is 253612003. The next prime is 253612027. The reversal of 253612005 is 500216352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253612005 - 2¹ = 253612003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253612003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8453719 + ... + 8453748.

It is an arithmetic number, because the mean of its divisors is an integer number (50722404).

Almost surely, 2^253612005 is an apocalyptic number.

It is an amenable number.

253612005 is a deficient number, since it is larger than the sum of its proper divisors (152167227).

253612005 is a wasteful number, since it uses less digits than its factorization.

253612005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16907475.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 253612005 is about 15925.2003127119. The cubic root of 253612005 is about 632.9799239432.

Adding to 253612005 its reverse (500216352), we get a palindrome (753828357).

It can be divided in two parts, 2536 and 12005, that added together give a palindrome (14541).

The spelling of 253612005 in words is "two hundred fifty-three million, six hundred twelve thousand, five".