401240053 has 2 divisors, whose sum is σ = 401240054. Its totient is φ = 401240052.

The previous prime is 401240029. The next prime is 401240057. The reversal of 401240053 is 350042104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242051364 + 159188689 = 15558^2 + 12617^2 .

It is a cyclic number.

It is not a de Polignac number, because 401240053 - 2¹³ = 401231861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401240053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401240057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200620026 + 200620027.

It is an arithmetic number, because the mean of its divisors is an integer number (200620027).

Almost surely, 2^401240053 is an apocalyptic number.

It is an amenable number.

401240053 is a deficient number, since it is larger than the sum of its proper divisors (1).

401240053 is an equidigital number, since it uses as much as digits as its factorization.

401240053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 401240053 is about 20030.9773351177. The cubic root of 401240053 is about 737.5669133198.

Adding to 401240053 its reverse (350042104), we get a palindrome (751282157).

The spelling of 401240053 in words is "four hundred one million, two hundred forty thousand, fifty-three".