530292421 has 2 divisors, whose sum is σ = 530292422. Its totient is φ = 530292420.

The previous prime is 530292419. The next prime is 530292431. The reversal of 530292421 is 124292035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504900900 + 25391521 = 22470^2 + 5039^2 .

It is a cyclic number.

It is not a de Polignac number, because 530292421 - 2¹ = 530292419 is a prime.

Together with 530292419, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 530292421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530292431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265146210 + 265146211.

It is an arithmetic number, because the mean of its divisors is an integer number (265146211).

Almost surely, 2^530292421 is an apocalyptic number.

It is an amenable number.

530292421 is a deficient number, since it is larger than the sum of its proper divisors (1).

530292421 is an equidigital number, since it uses as much as digits as its factorization.

530292421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 530292421 is about 23028.0789689457. The cubic root of 530292421 is about 809.4160405162.

The spelling of 530292421 in words is "five hundred thirty million, two hundred ninety-two thousand, four hundred twenty-one".