5372021 has 4 divisors (see below), whose sum is σ = 5545344. Its totient is φ = 5198700.

The previous prime is 5372011. The next prime is 5372023. The reversal of 5372021 is 1202735.

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 not a de Polignac number, because 5372021 - 2²² = 1177717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5371984 and 5372002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5372023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86615 + ... + 86676.

It is an arithmetic number, because the mean of its divisors is an integer number (1386336).

Almost surely, 2^5372021 is an apocalyptic number.

It is an amenable number.

5372021 is a deficient number, since it is larger than the sum of its proper divisors (173323).

5372021 is a wasteful number, since it uses less digits than its factorization.

5372021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173322.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 5372021 is about 2317.7620671674. The cubic root of 5372021 is about 175.1375354177.

Adding to 5372021 its reverse (1202735), we get a palindrome (6574756).

The spelling of 5372021 in words is "five million, three hundred seventy-two thousand, twenty-one".