2501272843 has 4 divisors (see below), whose sum is σ = 2502205720. Its totient is φ = 2500339968.

The previous prime is 2501272801. The next prime is 2501272867. The reversal of 2501272843 is 3482721052.

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 2501272843 - 2²¹ = 2499175691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2501272799 and 2501272808.

It is not an unprimeable number, because it can be changed into a prime (2501272343) 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, 462405 + ... + 467782.

It is an arithmetic number, because the mean of its divisors is an integer number (625551430).

Almost surely, 2^2501272843 is an apocalyptic number.

2501272843 is a deficient number, since it is larger than the sum of its proper divisors (932877).

2501272843 is an equidigital number, since it uses as much as digits as its factorization.

2501272843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932876.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 2501272843 is about 50012.7268102830. The cubic root of 2501272843 is about 1357.4391043819.

Adding to 2501272843 its reverse (3482721052), we get a palindrome (5983993895).

The spelling of 2501272843 in words is "two billion, five hundred one million, two hundred seventy-two thousand, eight hundred forty-three".