5107021 has 4 divisors (see below), whose sum is σ = 5407452. Its totient is φ = 4806592.

The previous prime is 5107019. The next prime is 5107043. The reversal of 5107021 is 1207015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3556996 + 1550025 = 1886^2 + 1245^2 .

It is a cyclic number.

It is not a de Polignac number, because 5107021 - 2¹ = 5107019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5106986 and 5107004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5107061) 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, 150190 + ... + 150223.

It is an arithmetic number, because the mean of its divisors is an integer number (1351863).

Almost surely, 2^5107021 is an apocalyptic number.

It is an amenable number.

5107021 is a deficient number, since it is larger than the sum of its proper divisors (300431).

5107021 is a wasteful number, since it uses less digits than its factorization.

5107021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300430.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 5107021 is about 2259.8718990244. The cubic root of 5107021 is about 172.2090144263.

The spelling of 5107021 in words is "five million, one hundred seven thousand, twenty-one".