253006601 has 4 divisors (see below), whose sum is σ = 264006912. Its totient is φ = 242006292.

The previous prime is 253006571. The next prime is 253006609. The reversal of 253006601 is 106600352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253006601 - 2¹⁴ = 252990217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 11000287 = 253006601 / (2 + 5 + 3 + 0 + 0 + 6 + 6 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253006609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500121 + ... + 5500166.

It is an arithmetic number, because the mean of its divisors is an integer number (66001728).

Almost surely, 2^253006601 is an apocalyptic number.

It is an amenable number.

253006601 is a deficient number, since it is larger than the sum of its proper divisors (11000311).

253006601 is a wasteful number, since it uses less digits than its factorization.

253006601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000310.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 253006601 is about 15906.1812198906. The cubic root of 253006601 is about 632.4758548694.

Adding to 253006601 its reverse (106600352), we get a palindrome (359606953).

The spelling of 253006601 in words is "two hundred fifty-three million, six thousand, six hundred one".