4621249 has 4 divisors (see below), whose sum is σ = 4629636. Its totient is φ = 4612864.

The previous prime is 4621231. The next prime is 4621259. The reversal of 4621249 is 9421264.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3873024 + 748225 = 1968^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 4621249 - 2⁵ = 4621217 is a prime.

It is a Duffinian number.

4621249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4621219) 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, 3304 + ... + 4489.

It is an arithmetic number, because the mean of its divisors is an integer number (1157409).

Almost surely, 2^4621249 is an apocalyptic number.

It is an amenable number.

4621249 is a deficient number, since it is larger than the sum of its proper divisors (8387).

4621249 is an equidigital number, since it uses as much as digits as its factorization.

4621249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8386.

The product of its digits is 3456, while the sum is 28.

The square root of 4621249 is about 2149.7090500810. The cubic root of 4621249 is about 166.5660383670.

It can be divided in two parts, 462 and 1249, that added together give a triangular number (1711 = T₅₈).

The spelling of 4621249 in words is "four million, six hundred twenty-one thousand, two hundred forty-nine".