2525206787 has 2 divisors, whose sum is σ = 2525206788. Its totient is φ = 2525206786.

The previous prime is 2525206771. The next prime is 2525206807. The reversal of 2525206787 is 7876025252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2525206787 - 2⁴ = 2525206771 is a prime.

It is a super-2 number, since 2×2525206787² = 12753338634221726738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2525206727) 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, 1262603393 + 1262603394.

It is an arithmetic number, because the mean of its divisors is an integer number (1262603394).

Almost surely, 2^2525206787 is an apocalyptic number.

2525206787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525206787 is an equidigital number, since it uses as much as digits as its factorization.

2525206787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 2525206787 is about 50251.4356710333. The cubic root of 2525206787 is about 1361.7550127792.

The spelling of 2525206787 in words is "two billion, five hundred twenty-five million, two hundred six thousand, seven hundred eighty-seven".