539580421 has 2 divisors, whose sum is σ = 539580422. Its totient is φ = 539580420.

The previous prime is 539580401. The next prime is 539580463. The reversal of 539580421 is 124085935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313679521 + 225900900 = 17711^2 + 15030^2 .

It is a cyclic number.

It is not a de Polignac number, because 539580421 - 2¹¹ = 539578373 is a prime.

It is a super-2 number, since 2×539580421² = 582294061453074482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539580401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269790210 + 269790211.

It is an arithmetic number, because the mean of its divisors is an integer number (269790211).

Almost surely, 2^539580421 is an apocalyptic number.

It is an amenable number.

539580421 is a deficient number, since it is larger than the sum of its proper divisors (1).

539580421 is an equidigital number, since it uses as much as digits as its factorization.

539580421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 539580421 is about 23228.8704202335. The cubic root of 539580421 is about 814.1143205832.

The spelling of 539580421 in words is "five hundred thirty-nine million, five hundred eighty thousand, four hundred twenty-one".