1253263201 has 4 divisors (see below), whose sum is σ = 1267344900. Its totient is φ = 1239181504.

The previous prime is 1253263157. The next prime is 1253263213. The reversal of 1253263201 is 1023623521.

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 235653201 + 1017610000 = 15351^2 + 31900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253263201 - 2¹⁷ = 1253132129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253263241) 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, 7040716 + ... + 7040893.

It is an arithmetic number, because the mean of its divisors is an integer number (316836225).

Almost surely, 2^1253263201 is an apocalyptic number.

It is an amenable number.

1253263201 is a deficient number, since it is larger than the sum of its proper divisors (14081699).

1253263201 is an equidigital number, since it uses as much as digits as its factorization.

1253263201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081698.

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

The square root of 1253263201 is about 35401.4576112340. The cubic root of 1253263201 is about 1078.1539109587.

Adding to 1253263201 its reverse (1023623521), we get a palindrome (2276886722).

The spelling of 1253263201 in words is "one billion, two hundred fifty-three million, two hundred sixty-three thousand, two hundred one".