2541485257 has 8 divisors (see below), whose sum is σ = 2689338240. Its totient is φ = 2396745120.

The previous prime is 2541485251. The next prime is 2541485279. The reversal of 2541485257 is 7525841452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2541485257 - 2¹¹ = 2541483209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541485251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776532 + ... + 779797.

It is an arithmetic number, because the mean of its divisors is an integer number (336167280).

Almost surely, 2^2541485257 is an apocalyptic number.

It is an amenable number.

2541485257 is a deficient number, since it is larger than the sum of its proper divisors (147852983).

2541485257 is a wasteful number, since it uses less digits than its factorization.

2541485257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556423.

The product of its digits is 448000, while the sum is 43.

The square root of 2541485257 is about 50413.1456764999. The cubic root of 2541485257 is about 1364.6748825625.

The spelling of 2541485257 in words is "two billion, five hundred forty-one million, four hundred eighty-five thousand, two hundred fifty-seven".