1253401 has 2 divisors, whose sum is σ = 1253402. Its totient is φ = 1253400.

The previous prime is 1253381. The next prime is 1253437. The reversal of 1253401 is 1043521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1177225 + 76176 = 1085^2 + 276^2 .

It is an emirp because it is prime and its reverse (1043521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626700 + 626701.

It is an arithmetic number, because the mean of its divisors is an integer number (626701).

2^1253401 is an apocalyptic number.

It is an amenable number.

1253401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253401 is an equidigital number, since it uses as much as digits as its factorization.

1253401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1253401 is about 1119.5539290271. The cubic root of 1253401 is about 107.8193424629.

Adding to 1253401 its product of nonzero digits (120), we get a palindrome (1253521).

Adding to 1253401 its reverse (1043521), we get a palindrome (2296922).

The spelling of 1253401 in words is "one million, two hundred fifty-three thousand, four hundred one".