5015220421 has 4 divisors (see below), whose sum is σ = 5015483200. Its totient is φ = 5014957644.

The previous prime is 5015220401. The next prime is 5015220443. The reversal of 5015220421 is 1240225105.

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 5015220421 - 2⁷ = 5015220293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5015220392 and 5015220401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5015220401) 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, 100311 + ... + 141748.

It is an arithmetic number, because the mean of its divisors is an integer number (1253870800).

Almost surely, 2^5015220421 is an apocalyptic number.

It is an amenable number.

5015220421 is a deficient number, since it is larger than the sum of its proper divisors (262779).

5015220421 is a wasteful number, since it uses less digits than its factorization.

5015220421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262778.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 5015220421 is about 70818.2209674883. The cubic root of 5015220421 is about 1711.7092926349.

Adding to 5015220421 its reverse (1240225105), we get a palindrome (6255445526).

The spelling of 5015220421 in words is "five billion, fifteen million, two hundred twenty thousand, four hundred twenty-one".