25058484381 has 64 divisors (see below), whose sum is σ = 42713118720. Its totient is φ = 12721121280.

The previous prime is 25058484377. The next prime is 25058484389. The reversal of 25058484381 is 18348485052.

It is not a de Polignac number, because 25058484381 - 2² = 25058484377 is a prime.

It is a super-2 number, since 2×25058484381² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25058484381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25058484389) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1899450 + ... + 1912596.

It is an arithmetic number, because the mean of its divisors is an integer number (667392480).

Almost surely, 2^25058484381 is an apocalyptic number.

25058484381 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25058484381 is a deficient number, since it is larger than the sum of its proper divisors (17654634339).

25058484381 is a wasteful number, since it uses less digits than its factorization.

25058484381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13474.

The product of its (nonzero) digits is 1228800, while the sum is 48.

The spelling of 25058484381 in words is "twenty-five billion, fifty-eight million, four hundred eighty-four thousand, three hundred eighty-one".