2541580557 has 4 divisors (see below), whose sum is σ = 3388774080. Its totient is φ = 1694387036.

The previous prime is 2541580553. The next prime is 2541580567. The reversal of 2541580557 is 7550851452.

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 not a de Polignac number, because 2541580557 - 2² = 2541580553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541580553) 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, 423596757 + ... + 423596762.

It is an arithmetic number, because the mean of its divisors is an integer number (847193520).

Almost surely, 2^2541580557 is an apocalyptic number.

It is an amenable number.

2541580557 is a deficient number, since it is larger than the sum of its proper divisors (847193523).

2541580557 is an equidigital number, since it uses as much as digits as its factorization.

2541580557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847193522.

The product of its (nonzero) digits is 280000, while the sum is 42.

The square root of 2541580557 is about 50414.0908576164. The cubic root of 2541580557 is about 1364.6919397656.

The spelling of 2541580557 in words is "two billion, five hundred forty-one million, five hundred eighty thousand, five hundred fifty-seven".