4721501 has 4 divisors (see below), whose sum is σ = 4727712. Its totient is φ = 4715292.

The previous prime is 4721491. The next prime is 4721513. The reversal of 4721501 is 1051274.

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 4721501 - 2¹⁰ = 4720477 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 (4721531) 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, 1775 + ... + 3548.

It is an arithmetic number, because the mean of its divisors is an integer number (1181928).

Almost surely, 2^4721501 is an apocalyptic number.

It is an amenable number.

4721501 is a deficient number, since it is larger than the sum of its proper divisors (6211).

4721501 is an equidigital number, since it uses as much as digits as its factorization.

4721501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 4721501 is about 2172.9015164061. The cubic root of 4721501 is about 167.7619099977.

Adding to 4721501 its reverse (1051274), we get a palindrome (5772775).

The spelling of 4721501 in words is "four million, seven hundred twenty-one thousand, five hundred one".