1253340001 has 2 divisors, whose sum is σ = 1253340002. Its totient is φ = 1253340000.

The previous prime is 1253339999. The next prime is 1253340019. The reversal of 1253340001 is 1000433521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1027138401 + 226201600 = 32049^2 + 15040^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253340001 - 2¹ = 1253339999 is a prime.

It is a super-2 number, since 2×1253340001² = 3141722316213360002, which contains 22 as substring.

Together with 1253339999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1253340031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626670000 + 626670001.

It is an arithmetic number, because the mean of its divisors is an integer number (626670001).

Almost surely, 2^1253340001 is an apocalyptic number.

It is an amenable number.

1253340001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253340001 is an equidigital number, since it uses as much as digits as its factorization.

1253340001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1253340001 is about 35402.5422957166. The cubic root of 1253340001 is about 1078.1759336083.

Adding to 1253340001 its reverse (1000433521), we get a palindrome (2253773522).

The spelling of 1253340001 in words is "one billion, two hundred fifty-three million, three hundred forty thousand, one".