2547325881 has 32 divisors (see below), whose sum is σ = 3861626880. Its totient is φ = 1658845008.

The previous prime is 2547325841. The next prime is 2547325889. The reversal of 2547325881 is 1885237452.

2547325881 is a `hidden beast` number, since 2 + 547 + 3 + 25 + 8 + 81 = 666.

It is not a de Polignac number, because 2547325881 - 2⁶ = 2547325817 is a prime.

It is a super-2 number, since 2×2547325881² = 12977738288024852322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2547325889) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 768630 + ... + 771936.

It is an arithmetic number, because the mean of its divisors is an integer number (120675840).

Almost surely, 2^2547325881 is an apocalyptic number.

It is an amenable number.

2547325881 is a deficient number, since it is larger than the sum of its proper divisors (1314300999).

2547325881 is a wasteful number, since it uses less digits than its factorization.

2547325881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 3964 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 2547325881 is about 50471.0400229676. The cubic root of 2547325881 is about 1365.7194757959.

The spelling of 2547325881 in words is "two billion, five hundred forty-seven million, three hundred twenty-five thousand, eight hundred eighty-one".