2005025149 has 2 divisors, whose sum is σ = 2005025150. Its totient is φ = 2005025148.

The previous prime is 2005025117. The next prime is 2005025159. The reversal of 2005025149 is 9415205002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1496297124 + 508728025 = 38682^2 + 22555^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005025149 - 2⁵ = 2005025117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005025159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002512574 + 1002512575.

It is an arithmetic number, because the mean of its divisors is an integer number (1002512575).

Almost surely, 2^2005025149 is an apocalyptic number.

It is an amenable number.

2005025149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005025149 is an equidigital number, since it uses as much as digits as its factorization.

2005025149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2005025149 is about 44777.5071771531. The cubic root of 2005025149 is about 1260.9753825249.

The spelling of 2005025149 in words is "two billion, five million, twenty-five thousand, one hundred forty-nine".