5761205521 has 4 divisors (see below), whose sum is σ = 5806569472. Its totient is φ = 5715841572.

The previous prime is 5761205519. The next prime is 5761205537. The reversal of 5761205521 is 1255021675.

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 5761205521 - 2¹ = 5761205519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5761205501) 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, 22681785 + ... + 22682038.

It is an arithmetic number, because the mean of its divisors is an integer number (1451642368).

Almost surely, 2^5761205521 is an apocalyptic number.

It is an amenable number.

5761205521 is a deficient number, since it is larger than the sum of its proper divisors (45363951).

5761205521 is a wasteful number, since it uses less digits than its factorization.

5761205521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45363950.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 5761205521 is about 75902.6054954637. The cubic root of 5761205521 is about 1792.6869460923.

The spelling of 5761205521 in words is "five billion, seven hundred sixty-one million, two hundred five thousand, five hundred twenty-one".