521060461 has 4 divisors (see below), whose sum is σ = 521424000. Its totient is φ = 520696924.

The previous prime is 521060413. The next prime is 521060521. The reversal of 521060461 is 164060125.

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 521060461 - 2¹⁵ = 521027693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521060411) 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, 179611 + ... + 182488.

It is an arithmetic number, because the mean of its divisors is an integer number (130356000).

Almost surely, 2^521060461 is an apocalyptic number.

It is an amenable number.

521060461 is a deficient number, since it is larger than the sum of its proper divisors (363539).

521060461 is a wasteful number, since it uses less digits than its factorization.

521060461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363538.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 521060461 is about 22826.7488048561. The cubic root of 521060461 is about 804.6914244954.

The spelling of 521060461 in words is "five hundred twenty-one million, sixty thousand, four hundred sixty-one".