2425660551 has 12 divisors (see below), whose sum is σ = 3521341200. Its totient is φ = 1608979680.

The previous prime is 2425660499. The next prime is 2425660561. The reversal of 2425660551 is 1550665242.

2425660551 is a `hidden beast` number, since 2 + 42 + 5 + 6 + 60 + 551 = 666.

It is not a de Polignac number, because 2425660551 - 2¹⁷ = 2425529479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2425660561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675390 + ... + 678971.

It is an arithmetic number, because the mean of its divisors is an integer number (293445100).

Almost surely, 2^2425660551 is an apocalyptic number.

2425660551 is a deficient number, since it is larger than the sum of its proper divisors (1095680649).

2425660551 is a wasteful number, since it uses less digits than its factorization.

2425660551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354566 (or 1354563 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 2425660551 is about 49250.9954315646. The cubic root of 2425660551 is about 1343.6206661576.

It can be divided in two parts, 2425 and 660551, that added together give a triangular number (662976 = T₁₁₅₁).

The spelling of 2425660551 in words is "two billion, four hundred twenty-five million, six hundred sixty thousand, five hundred fifty-one".