253000605 has 96 divisors (see below), whose sum is σ = 491622912. Its totient is φ = 110073600.

The previous prime is 253000603. The next prime is 253000607. The reversal of 253000605 is 506000352.

It is an interprime number because it is at equal distance from previous prime (253000603) and next prime (253000607).

It is not a de Polignac number, because 253000605 - 2¹ = 253000603 is a prime.

It is a super-2 number, since 2×253000605² = 128018612260732050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253000603) 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 in 95 ways as a sum of consecutive naturals, for example, 1198950 + ... + 1199160.

It is an arithmetic number, because the mean of its divisors is an integer number (5121072).

Almost surely, 2^253000605 is an apocalyptic number.

It is an amenable number.

253000605 is a deficient number, since it is larger than the sum of its proper divisors (238622307).

253000605 is a wasteful number, since it uses less digits than its factorization.

253000605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 253000605 is about 15905.9927385876. The cubic root of 253000605 is about 632.4708584844.

Adding to 253000605 its reverse (506000352), we get a palindrome (759000957).

The spelling of 253000605 in words is "two hundred fifty-three million, six hundred five", and thus it is an aban number.