2509227901 has 2 divisors, whose sum is σ = 2509227902. Its totient is φ = 2509227900.

The previous prime is 2509227899. The next prime is 2509227911. The reversal of 2509227901 is 1097229052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2108187225 + 401040676 = 45915^2 + 20026^2 .

It is a cyclic number.

It is not a de Polignac number, because 2509227901 - 2¹ = 2509227899 is a prime.

Together with 2509227899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2509227911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1254613950 + 1254613951.

It is an arithmetic number, because the mean of its divisors is an integer number (1254613951).

Almost surely, 2^2509227901 is an apocalyptic number.

It is an amenable number.

2509227901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2509227901 is an equidigital number, since it uses as much as digits as its factorization.

2509227901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 2509227901 is about 50092.1940126403. The cubic root of 2509227901 is about 1358.8766496901.

The spelling of 2509227901 in words is "two billion, five hundred nine million, two hundred twenty-seven thousand, nine hundred one".