36240401 has 4 divisors (see below), whose sum is σ = 37490100. Its totient is φ = 34990704.

The previous prime is 36240397. The next prime is 36240403. The reversal of 36240401 is 10404263.

It is a happy number.

It is a Cunningham number, because it is equal to 6020²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10404263 = 1201 ⋅8663.

It can be written as a sum of positive squares in 2 ways, for example, as 19009600 + 17230801 = 4360^2 + 4151^2 .

It is not a de Polignac number, because 36240401 - 2² = 36240397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36240403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624806 + ... + 624863.

It is an arithmetic number, because the mean of its divisors is an integer number (9372525).

Almost surely, 2^36240401 is an apocalyptic number.

It is an amenable number.

36240401 is a deficient number, since it is larger than the sum of its proper divisors (1249699).

36240401 is a wasteful number, since it uses less digits than its factorization.

36240401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249698.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 36240401 is about 6020.0000830565. Note that the first 4 decimals coincide. The cubic root of 36240401 is about 330.9260825015.

Adding to 36240401 its reverse (10404263), we get a palindrome (46644664).

The spelling of 36240401 in words is "thirty-six million, two hundred forty thousand, four hundred one".