541255521 has 4 divisors (see below), whose sum is σ = 721674032. Its totient is φ = 360837012.

The previous prime is 541255513. The next prime is 541255529. The reversal of 541255521 is 125552145.

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 an interprime number because it is at equal distance from previous prime (541255513) and next prime (541255529).

It is not a de Polignac number, because 541255521 - 2³ = 541255513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541255529) 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, 90209251 + ... + 90209256.

It is an arithmetic number, because the mean of its divisors is an integer number (180418508).

Almost surely, 2^541255521 is an apocalyptic number.

It is an amenable number.

541255521 is a deficient number, since it is larger than the sum of its proper divisors (180418511).

541255521 is a wasteful number, since it uses less digits than its factorization.

541255521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180418510.

The product of its digits is 10000, while the sum is 30.

The square root of 541255521 is about 23264.8989037133. The cubic root of 541255521 is about 814.9559091407.

The spelling of 541255521 in words is "five hundred forty-one million, two hundred fifty-five thousand, five hundred twenty-one".