4721265 has 12 divisors (see below), whose sum is σ = 8183604. Its totient is φ = 2517984.

The previous prime is 4721263. The next prime is 4721303. The reversal of 4721265 is 5621274.

It can be written as a sum of positive squares in 2 ways, for example, as 848241 + 3873024 = 921^2 + 1968^2 .

It is not a de Polignac number, because 4721265 - 2¹ = 4721263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4721261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52414 + ... + 52503.

It is an arithmetic number, because the mean of its divisors is an integer number (681967).

Almost surely, 2^4721265 is an apocalyptic number.

4721265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4721265 is a deficient number, since it is larger than the sum of its proper divisors (3462339).

4721265 is a wasteful number, since it uses less digits than its factorization.

4721265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104928 (or 104925 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 4721265 is about 2172.8472104591. The cubic root of 4721265 is about 167.7591148082.

Subtracting 4721265 from its reverse (5621274), we obtain a palindrome (900009).

It can be divided in two parts, 47 and 21265, that added together give a palindrome (21312).

The spelling of 4721265 in words is "four million, seven hundred twenty-one thousand, two hundred sixty-five".