2541990577 has 4 divisors (see below), whose sum is σ = 2905132096. Its totient is φ = 2178849060.

The previous prime is 2541990559. The next prime is 2541990587. The reversal of 2541990577 is 7750991452.

It is a happy number.

2541990577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2541990577 - 2³¹ = 394506929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2541990577.

It is not an unprimeable number, because it can be changed into a prime (2541990527) 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, 181570749 + ... + 181570762.

It is an arithmetic number, because the mean of its divisors is an integer number (726283024).

Almost surely, 2^2541990577 is an apocalyptic number.

It is an amenable number.

2541990577 is a deficient number, since it is larger than the sum of its proper divisors (363141519).

2541990577 is an equidigital number, since it uses as much as digits as its factorization.

2541990577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363141518.

The product of its (nonzero) digits is 793800, while the sum is 49.

The square root of 2541990577 is about 50418.1572154318. The cubic root of 2541990577 is about 1364.7653220421.

The spelling of 2541990577 in words is "two billion, five hundred forty-one million, nine hundred ninety thousand, five hundred seventy-seven".