5620157021 has 4 divisors (see below), whose sum is σ = 5620330272. Its totient is φ = 5619983772.

The previous prime is 5620157009. The next prime is 5620157029. The reversal of 5620157021 is 1207510265.

5620157021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5620157021 - 2²⁶ = 5553048157 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 (5620157029) 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, 21791 + ... + 108236.

It is an arithmetic number, because the mean of its divisors is an integer number (1405082568).

Almost surely, 2^5620157021 is an apocalyptic number.

It is an amenable number.

5620157021 is a deficient number, since it is larger than the sum of its proper divisors (173251).

5620157021 is a wasteful number, since it uses less digits than its factorization.

5620157021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173250.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 5620157021 is about 74967.7065208747. The cubic root of 5620157021 is about 1777.9361068925.

Adding to 5620157021 its reverse (1207510265), we get a palindrome (6827667286).

The spelling of 5620157021 in words is "five billion, six hundred twenty million, one hundred fifty-seven thousand, twenty-one".