4521379 has 2 divisors, whose sum is σ = 4521380. Its totient is φ = 4521378.

The previous prime is 4521367. The next prime is 4521383. The reversal of 4521379 is 9731254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4521379 - 2¹⁷ = 4390307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4521379.

It is not a weakly prime, because it can be changed into another prime (4521359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260689 + 2260690.

It is an arithmetic number, because the mean of its divisors is an integer number (2260690).

Almost surely, 2^4521379 is an apocalyptic number.

4521379 is a deficient number, since it is larger than the sum of its proper divisors (1).

4521379 is an equidigital number, since it uses as much as digits as its factorization.

4521379 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4521379 is about 2126.3534513340. The cubic root of 4521379 is about 165.3574009831.

It can be divided in two parts, 4521 and 379, that added together give a square (4900 = 70²).

The spelling of 4521379 in words is "four million, five hundred twenty-one thousand, three hundred seventy-nine".