549867425 has 6 divisors (see below), whose sum is σ = 681835638. Its totient is φ = 439893920.

The previous prime is 549867403. The next prime is 549867469. The reversal of 549867425 is 524768945.

It can be written as a sum of positive squares in 3 ways, for example, as 110923024 + 438944401 = 10532^2 + 20951^2 .

It is not a de Polignac number, because 549867425 - 2⁶ = 549867361 is a prime.

It is a super-2 number, since 2×549867425² = 604708370152261250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 10997324 + ... + 10997373.

It is an arithmetic number, because the mean of its divisors is an integer number (113639273).

Almost surely, 2^549867425 is an apocalyptic number.

It is an amenable number.

549867425 is a deficient number, since it is larger than the sum of its proper divisors (131968213).

549867425 is a wasteful number, since it uses less digits than its factorization.

549867425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21994707 (or 21994702 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 50.

The square root of 549867425 is about 23449.2521202703. The cubic root of 549867425 is about 819.2554340878.

The spelling of 549867425 in words is "five hundred forty-nine million, eight hundred sixty-seven thousand, four hundred twenty-five".