5021220461 has 4 divisors (see below), whose sum is σ = 5021443392. Its totient is φ = 5020997532.

The previous prime is 5021220433. The next prime is 5021220473. The reversal of 5021220461 is 1640221205.

It is a happy number.

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 5021220461 - 2⁶ = 5021220397 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 (5021220481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73331 + ... + 124176.

It is an arithmetic number, because the mean of its divisors is an integer number (1255360848).

Almost surely, 2^5021220461 is an apocalyptic number.

It is an amenable number.

5021220461 is a deficient number, since it is larger than the sum of its proper divisors (222931).

5021220461 is a wasteful number, since it uses less digits than its factorization.

5021220461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222930.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 5021220461 is about 70860.5705664300. The cubic root of 5021220461 is about 1712.3916309565.

Adding to 5021220461 its reverse (1640221205), we get a palindrome (6661441666).

The spelling of 5021220461 in words is "five billion, twenty-one million, two hundred twenty thousand, four hundred sixty-one".