2541250015009 has 2 divisors, whose sum is σ = 2541250015010. Its totient is φ = 2541250015008.

The previous prime is 2541250014977. The next prime is 2541250015013. The reversal of 2541250015009 is 9005100521452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2438547712225 + 102702302784 = 1561585^2 + 320472^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541250015009 - 2⁵ = 2541250014977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2541250015019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270625007504 + 1270625007505.

It is an arithmetic number, because the mean of its divisors is an integer number (1270625007505).

Almost surely, 2^{2541250015009} is an apocalyptic number.

It is an amenable number.

2541250015009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541250015009 is an equidigital number, since it uses as much as digits as its factorization.

2541250015009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 2541250015009 in words is "two trillion, five hundred forty-one billion, two hundred fifty million, fifteen thousand, nine".