2550812997 has 4 divisors (see below), whose sum is σ = 3401084000. Its totient is φ = 1700541996.

The previous prime is 2550812993. The next prime is 2550813007. The reversal of 2550812997 is 7992180552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2550812997 - 2² = 2550812993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550812993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425135497 + ... + 425135502.

It is an arithmetic number, because the mean of its divisors is an integer number (850271000).

Almost surely, 2^2550812997 is an apocalyptic number.

It is an amenable number.

2550812997 is a deficient number, since it is larger than the sum of its proper divisors (850271003).

2550812997 is an equidigital number, since it uses as much as digits as its factorization.

2550812997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850271002.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 2550812997 is about 50505.5739201130. The cubic root of 2550812997 is about 1366.3423840227.

The spelling of 2550812997 in words is "two billion, five hundred fifty million, eight hundred twelve thousand, nine hundred ninety-seven".