2530077805 has 4 divisors (see below), whose sum is σ = 3036093372. Its totient is φ = 2024062240.

The previous prime is 2530077787. The next prime is 2530077833. The reversal of 2530077805 is 5087700352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 976062564 + 1554015241 = 31242^2 + 39421^2 .

It is not a de Polignac number, because 2530077805 - 2⁵ = 2530077773 is a prime.

It is a super-3 number, since 3×2530077805³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253007776 + ... + 253007785.

It is an arithmetic number, because the mean of its divisors is an integer number (759023343).

Almost surely, 2^2530077805 is an apocalyptic number.

It is an amenable number.

2530077805 is a deficient number, since it is larger than the sum of its proper divisors (506015567).

2530077805 is an equidigital number, since it uses as much as digits as its factorization.

2530077805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506015566.

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

The square root of 2530077805 is about 50299.8787771899. The cubic root of 2530077805 is about 1362.6300398286.

The spelling of 2530077805 in words is "two billion, five hundred thirty million, seventy-seven thousand, eight hundred five".