4721953 has 4 divisors (see below), whose sum is σ = 4778928. Its totient is φ = 4664980.

The previous prime is 4721933. The next prime is 4721957. The reversal of 4721953 is 3591274.

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 a cyclic number.

It is not a de Polignac number, because 4721953 - 2⁹ = 4721441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4721957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28363 + ... + 28528.

It is an arithmetic number, because the mean of its divisors is an integer number (1194732).

Almost surely, 2^4721953 is an apocalyptic number.

It is an amenable number.

4721953 is a deficient number, since it is larger than the sum of its proper divisors (56975).

4721953 is an equidigital number, since it uses as much as digits as its factorization.

4721953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56974.

The product of its digits is 7560, while the sum is 31.

The square root of 4721953 is about 2173.0055223124. The cubic root of 4721953 is about 167.7672632363.

The spelling of 4721953 in words is "four million, seven hundred twenty-one thousand, nine hundred fifty-three".