2651765425 has 6 divisors (see below), whose sum is σ = 3288189158. Its totient is φ = 2121412320.

The previous prime is 2651765401. The next prime is 2651765437. The reversal of 2651765425 is 5245671562.

It can be written as a sum of positive squares in 3 ways, for example, as 893053456 + 1758711969 = 29884^2 + 41937^2 .

It is not a de Polignac number, because 2651765425 - 2⁵ = 2651765393 is a prime.

It is a super-3 number, since 3×2651765425³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 53035284 + ... + 53035333.

Almost surely, 2^2651765425 is an apocalyptic number.

2651765425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2651765425 is a deficient number, since it is larger than the sum of its proper divisors (636423733).

2651765425 is a wasteful number, since it uses less digits than its factorization.

2651765425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106070627 (or 106070622 counting only the distinct ones).

The product of its digits is 504000, while the sum is 43.

The square root of 2651765425 is about 51495.2951734428. The cubic root of 2651765425 is about 1384.1347365192.

The spelling of 2651765425 in words is "two billion, six hundred fifty-one million, seven hundred sixty-five thousand, four hundred twenty-five".