2506197995 has 16 divisors (see below), whose sum is σ = 3440240640. Its totient is φ = 1716951264.

The previous prime is 2506197937. The next prime is 2506198001. The reversal of 2506197995 is 5997916052.

It is a happy number.

It is not a de Polignac number, because 2506197995 - 2¹⁰ = 2506196971 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6146 + ... + 71064.

It is an arithmetic number, because the mean of its divisors is an integer number (215015040).

Almost surely, 2^2506197995 is an apocalyptic number.

2506197995 is a deficient number, since it is larger than the sum of its proper divisors (934042645).

2506197995 is a wasteful number, since it uses less digits than its factorization.

2506197995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66034.

The product of its (nonzero) digits is 1530900, while the sum is 53.

The square root of 2506197995 is about 50061.9415824037. The cubic root of 2506197995 is about 1358.3294791398.

The spelling of 2506197995 in words is "two billion, five hundred six million, one hundred ninety-seven thousand, nine hundred ninety-five".