2541452857 has 4 divisors (see below), whose sum is σ = 2541801040. Its totient is φ = 2541104676.

The previous prime is 2541452833. The next prime is 2541452869. The reversal of 2541452857 is 7582541452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541452857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541452657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162903 + ... + 177820.

It is an arithmetic number, because the mean of its divisors is an integer number (635450260).

Almost surely, 2^2541452857 is an apocalyptic number.

It is an amenable number.

2541452857 is a deficient number, since it is larger than the sum of its proper divisors (348183).

2541452857 is an equidigital number, since it uses as much as digits as its factorization.

2541452857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348182.

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

The square root of 2541452857 is about 50412.8243307197. The cubic root of 2541452857 is about 1364.6690833742.

The spelling of 2541452857 in words is "two billion, five hundred forty-one million, four hundred fifty-two thousand, eight hundred fifty-seven".