2500530787 has 2 divisors, whose sum is σ = 2500530788. Its totient is φ = 2500530786.

The previous prime is 2500530779. The next prime is 2500530803. The reversal of 2500530787 is 7870350052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2500530787 - 2³ = 2500530779 is a prime.

It is not a weakly prime, because it can be changed into another prime (2500530737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250265393 + 1250265394.

It is an arithmetic number, because the mean of its divisors is an integer number (1250265394).

Almost surely, 2^2500530787 is an apocalyptic number.

2500530787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500530787 is an equidigital number, since it uses as much as digits as its factorization.

2500530787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 2500530787 is about 50005.3075882951. The cubic root of 2500530787 is about 1357.3048533394.

The spelling of 2500530787 in words is "two billion, five hundred million, five hundred thirty thousand, seven hundred eighty-seven".