50001253 has 4 divisors (see below), whose sum is σ = 50705568. Its totient is φ = 49296940.

The previous prime is 50001239. The next prime is 50001299. The reversal of 50001253 is 35210005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35210005 = 5 ⋅7042001.

It is a cyclic number.

It is not a de Polignac number, because 50001253 - 2⁵ = 50001221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50001053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352051 + ... + 352192.

It is an arithmetic number, because the mean of its divisors is an integer number (12676392).

Almost surely, 2^50001253 is an apocalyptic number.

It is an amenable number.

50001253 is a deficient number, since it is larger than the sum of its proper divisors (704315).

50001253 is an equidigital number, since it uses as much as digits as its factorization.

50001253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704314.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 50001253 is about 7071.1564117901. The cubic root of 50001253 is about 368.4062272326.

Adding to 50001253 its reverse (35210005), we get a palindrome (85211258).

The spelling of 50001253 in words is "fifty million, one thousand, two hundred fifty-three".