541512521 has 16 divisors (see below), whose sum is σ = 635074560. Its totient is φ = 456443280.

The previous prime is 541512463. The next prime is 541512523. The reversal of 541512521 is 125215145.

It is a cyclic number.

It is not a de Polignac number, because 541512521 - 2⁶ = 541512457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541512523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17741 + ... + 37386.

It is an arithmetic number, because the mean of its divisors is an integer number (39692160).

Almost surely, 2^541512521 is an apocalyptic number.

It is an amenable number.

541512521 is a deficient number, since it is larger than the sum of its proper divisors (93562039).

541512521 is a wasteful number, since it uses less digits than its factorization.

541512521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55204.

The product of its digits is 2000, while the sum is 26.

The square root of 541512521 is about 23270.4215905084. The cubic root of 541512521 is about 815.0848750479.

Adding to 541512521 its reverse (125215145), we get a palindrome (666727666).

The spelling of 541512521 in words is "five hundred forty-one million, five hundred twelve thousand, five hundred twenty-one".