253541050403 has 4 divisors (see below), whose sum is σ = 253547481168. Its totient is φ = 253534619640.

The previous prime is 253541050387. The next prime is 253541050417. The reversal of 253541050403 is 304050145352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253541050403 - 2⁴ = 253541050387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253541050403.

It is not an unprimeable number, because it can be changed into a prime (253541050423) 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, 3155876 + ... + 3235217.

It is an arithmetic number, because the mean of its divisors is an integer number (63386870292).

Almost surely, 2^253541050403 is an apocalyptic number.

253541050403 is a deficient number, since it is larger than the sum of its proper divisors (6430765).

253541050403 is an equidigital number, since it uses as much as digits as its factorization.

253541050403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430764.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 253541050403 its reverse (304050145352), we get a palindrome (557591195755).

The spelling of 253541050403 in words is "two hundred fifty-three billion, five hundred forty-one million, fifty thousand, four hundred three".