5301421021 has 32 divisors (see below), whose sum is σ = 6105415680. Its totient is φ = 4562827200.

The previous prime is 5301421019. The next prime is 5301421061. The reversal of 5301421021 is 1201241035.

It is not a de Polignac number, because 5301421021 - 2¹ = 5301421019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 5301421021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5301421061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4858686 + ... + 4859776.

It is an arithmetic number, because the mean of its divisors is an integer number (190794240).

Almost surely, 2^5301421021 is an apocalyptic number.

It is an amenable number.

5301421021 is a deficient number, since it is larger than the sum of its proper divisors (803994659).

5301421021 is a wasteful number, since it uses less digits than its factorization.

5301421021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 5301421021 is about 72810.8578510101. The cubic root of 5301421021 is about 1743.6692093006.

Adding to 5301421021 its reverse (1201241035), we get a palindrome (6502662056).

The spelling of 5301421021 in words is "five billion, three hundred one million, four hundred twenty-one thousand, twenty-one".