7210501 has 4 divisors (see below), whose sum is σ = 7226604. Its totient is φ = 7194400.

The previous prime is 7210471. The next prime is 7210529. The reversal of 7210501 is 1050127.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1050127 = 13 ⋅80779.

It can be written as a sum of positive squares in 2 ways, for example, as 5452225 + 1758276 = 2335^2 + 1326^2 .

It is a cyclic number.

It is not a de Polignac number, because 7210501 - 2⁷ = 7210373 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7210561) 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, 7360 + ... + 8281.

It is an arithmetic number, because the mean of its divisors is an integer number (1806651).

Almost surely, 2^7210501 is an apocalyptic number.

It is an amenable number.

7210501 is a deficient number, since it is larger than the sum of its proper divisors (16103).

7210501 is a wasteful number, since it uses less digits than its factorization.

7210501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102.

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

The square root of 7210501 is about 2685.2376058740. The cubic root of 7210501 is about 193.1917072828.

Adding to 7210501 its reverse (1050127), we get a palindrome (8260628).

The spelling of 7210501 in words is "seven million, two hundred ten thousand, five hundred one".