4721315 has 4 divisors (see below), whose sum is σ = 5665584. Its totient is φ = 3777048.

The previous prime is 4721303. The next prime is 4721323. The reversal of 4721315 is 5131274.

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

It is a cyclic number.

It is not a de Polignac number, because 4721315 - 2¹⁰ = 4720291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472127 + ... + 472136.

It is an arithmetic number, because the mean of its divisors is an integer number (1416396).

Almost surely, 2^4721315 is an apocalyptic number.

4721315 is a deficient number, since it is larger than the sum of its proper divisors (944269).

4721315 is an equidigital number, since it uses as much as digits as its factorization.

4721315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944268.

The product of its digits is 840, while the sum is 23.

The square root of 4721315 is about 2172.8587160697. The cubic root of 4721315 is about 167.7597070171.

Adding to 4721315 its reverse (5131274), we get a palindrome (9852589).

The spelling of 4721315 in words is "four million, seven hundred twenty-one thousand, three hundred fifteen".