253606201 has 4 divisors (see below), whose sum is σ = 253675492. Its totient is φ = 253536912.

The previous prime is 253606183. The next prime is 253606207. The reversal of 253606201 is 102606352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64818601 + 188787600 = 8051^2 + 13740^2 .

It is a cyclic number.

It is not a de Polignac number, because 253606201 - 2¹⁵ = 253573433 is a prime.

It is a super-2 number, since 2×253606201² = 128632210371304802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253606207) 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 3 ways as a sum of consecutive naturals, for example, 28830 + ... + 36583.

It is an arithmetic number, because the mean of its divisors is an integer number (63418873).

Almost surely, 2^253606201 is an apocalyptic number.

It is an amenable number.

253606201 is a deficient number, since it is larger than the sum of its proper divisors (69291).

253606201 is an equidigital number, since it uses as much as digits as its factorization.

253606201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69290.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 253606201 is about 15925.0180847621. The cubic root of 253606201 is about 632.9750952502.

It can be divided in two parts, 25 and 3606201, that multiplied together give a square (90155025 = 9495²).

The spelling of 253606201 in words is "two hundred fifty-three million, six hundred six thousand, two hundred one".