2500555019 has 2 divisors, whose sum is σ = 2500555020. Its totient is φ = 2500555018.

The previous prime is 2500554977. The next prime is 2500555033. The reversal of 2500555019 is 9105550052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500555019 is a prime.

It is a super-2 number, since 2×2500555019² = 12505550806092180722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2500555069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250277509 + 1250277510.

It is an arithmetic number, because the mean of its divisors is an integer number (1250277510).

Almost surely, 2^2500555019 is an apocalyptic number.

2500555019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500555019 is an equidigital number, since it uses as much as digits as its factorization.

2500555019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 2500555019 is about 50005.5498819881. The cubic root of 2500555019 is about 1357.3092377559.

The spelling of 2500555019 in words is "two billion, five hundred million, five hundred fifty-five thousand, nineteen".