2541438725 has 12 divisors (see below), whose sum is σ = 3601581984. Its totient is φ = 1742700720.

The previous prime is 2541438719. The next prime is 2541438737. The reversal of 2541438725 is 5278341452.

It is not a de Polignac number, because 2541438725 - 2⁸ = 2541438469 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 7261079 + ... + 7261428.

It is an arithmetic number, because the mean of its divisors is an integer number (300131832).

Almost surely, 2^2541438725 is an apocalyptic number.

2541438725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2541438725 is a deficient number, since it is larger than the sum of its proper divisors (1060143259).

2541438725 is a wasteful number, since it uses less digits than its factorization.

2541438725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14522524 (or 14522519 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 2541438725 is about 50412.6841677767. The cubic root of 2541438725 is about 1364.6665539104. Note that the first 3 decimals are identical.

The spelling of 2541438725 in words is "two billion, five hundred forty-one million, four hundred thirty-eight thousand, seven hundred twenty-five".