2506023109 has 2 divisors, whose sum is σ = 2506023110. Its totient is φ = 2506023108.

The previous prime is 2506023089. The next prime is 2506023137. The reversal of 2506023109 is 9013206052.

2506023109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2506023137) can be obtained adding 2506023109 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2389058884 + 116964225 = 48878^2 + 10815^2 .

It is a cyclic number.

It is not a de Polignac number, because 2506023109 - 2¹¹ = 2506021061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2503023109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253011554 + 1253011555.

It is an arithmetic number, because the mean of its divisors is an integer number (1253011555).

Almost surely, 2^2506023109 is an apocalyptic number.

It is an amenable number.

2506023109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506023109 is an equidigital number, since it uses as much as digits as its factorization.

2506023109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2506023109 is about 50060.1948557934. The cubic root of 2506023109 is about 1358.2978830281.

The spelling of 2506023109 in words is "two billion, five hundred six million, twenty-three thousand, one hundred nine".