539262421 has 2 divisors, whose sum is σ = 539262422. Its totient is φ = 539262420.

The previous prime is 539262359. The next prime is 539262433. The reversal of 539262421 is 124262935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374422500 + 164839921 = 19350^2 + 12839^2 .

It is a cyclic number.

It is not a de Polignac number, because 539262421 - 2⁷ = 539262293 is a prime.

It is a super-3 number, since 3×539262421³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539262721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269631210 + 269631211.

It is an arithmetic number, because the mean of its divisors is an integer number (269631211).

Almost surely, 2^539262421 is an apocalyptic number.

It is an amenable number.

539262421 is a deficient number, since it is larger than the sum of its proper divisors (1).

539262421 is an equidigital number, since it uses as much as digits as its factorization.

539262421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 539262421 is about 23222.0244810826. The cubic root of 539262421 is about 813.9543572618.

The spelling of 539262421 in words is "five hundred thirty-nine million, two hundred sixty-two thousand, four hundred twenty-one".