549424531 has 2 divisors, whose sum is σ = 549424532. Its totient is φ = 549424530.

The previous prime is 549424511. The next prime is 549424541. The reversal of 549424531 is 135424945.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549424531 - 2¹⁹ = 548900243 is a prime.

It is a super-2 number, since 2×549424531² = 603734630529139922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (549424511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274712265 + 274712266.

It is an arithmetic number, because the mean of its divisors is an integer number (274712266).

Almost surely, 2^549424531 is an apocalyptic number.

549424531 is a deficient number, since it is larger than the sum of its proper divisors (1).

549424531 is an equidigital number, since it uses as much as digits as its factorization.

549424531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 549424531 is about 23439.8065478365. The cubic root of 549424531 is about 819.0354169458.

The spelling of 549424531 in words is "five hundred forty-nine million, four hundred twenty-four thousand, five hundred thirty-one".