253205201 has 4 divisors (see below), whose sum is σ = 253317732. Its totient is φ = 253092672.

The previous prime is 253205159. The next prime is 253205207. The reversal of 253205201 is 102502352.

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 211731601 + 41473600 = 14551^2 + 6440^2 .

It is a cyclic number.

It is not a de Polignac number, because 253205201 - 2¹⁸ = 252943057 is a prime.

It is a super-2 number, since 2×253205201² = 128225747626900802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253205207) 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, 52820 + ... + 57413.

It is an arithmetic number, because the mean of its divisors is an integer number (63329433).

Almost surely, 2^253205201 is an apocalyptic number.

It is an amenable number.

253205201 is a deficient number, since it is larger than the sum of its proper divisors (112531).

253205201 is a wasteful number, since it uses less digits than its factorization.

253205201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112530.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 253205201 is about 15912.4228513448. The cubic root of 253205201 is about 632.6413009519.

Adding to 253205201 its reverse (102502352), we get a palindrome (355707553).

The spelling of 253205201 in words is "two hundred fifty-three million, two hundred five thousand, two hundred one".