2506650043 has 4 divisors (see below), whose sum is σ = 2506886640. Its totient is φ = 2506413448.

The previous prime is 2506650037. The next prime is 2506650067. The reversal of 2506650043 is 3400566052.

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 2506650043 - 2⁵ = 2506650011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2506649987 and 2506650014.

It is not an unprimeable number, because it can be changed into a prime (2506650343) 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, 101623 + ... + 123856.

It is an arithmetic number, because the mean of its divisors is an integer number (626721660).

Almost surely, 2^2506650043 is an apocalyptic number.

2506650043 is a deficient number, since it is larger than the sum of its proper divisors (236597).

2506650043 is a wasteful number, since it uses less digits than its factorization.

2506650043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236596.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2506650043 is about 50066.4562656476. The cubic root of 2506650043 is about 1358.4111424416.

The spelling of 2506650043 in words is "two billion, five hundred six million, six hundred fifty thousand, forty-three".