5061020521 has 8 divisors (see below), whose sum is σ = 5239891080. Its totient is φ = 4882440192.

The previous prime is 5061020507. The next prime is 5061020527. The reversal of 5061020521 is 1250201605.

It can be written as a sum of positive squares in 4 ways, for example, as 211848025 + 4849172496 = 14555^2 + 69636^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5061020521 is a prime.

It is a super-2 number, since 2×5061020521² = 51227857427966222882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5061020492 and 5061020501.

It is not an unprimeable number, because it can be changed into a prime (5061020527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36760 + ... + 107113.

It is an arithmetic number, because the mean of its divisors is an integer number (654986385).

Almost surely, 2^5061020521 is an apocalyptic number.

It is an amenable number.

5061020521 is a deficient number, since it is larger than the sum of its proper divisors (178870559).

5061020521 is a wasteful number, since it uses less digits than its factorization.

5061020521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145115.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5061020521 is about 71140.8498754408. The cubic root of 5061020521 is about 1716.9040803052.

The spelling of 5061020521 in words is "five billion, sixty-one million, twenty thousand, five hundred twenty-one".