914430521 has 2 divisors, whose sum is σ = 914430522. Its totient is φ = 914430520.

The previous prime is 914430487. The next prime is 914430533. The reversal of 914430521 is 125034419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 872375296 + 42055225 = 29536^2 + 6485^2 .

It is an emirp because it is prime and its reverse (125034419) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 914430521 - 2¹⁰ = 914429497 is a prime.

It is not a weakly prime, because it can be changed into another prime (914430541) by changing a digit.

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 as a sum of consecutive naturals, namely, 457215260 + 457215261.

It is an arithmetic number, because the mean of its divisors is an integer number (457215261).

Almost surely, 2^914430521 is an apocalyptic number.

It is an amenable number.

914430521 is a deficient number, since it is larger than the sum of its proper divisors (1).

914430521 is an equidigital number, since it uses as much as digits as its factorization.

914430521 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 29.

The square root of 914430521 is about 30239.5522618970. The cubic root of 914430521 is about 970.6222390127.

The spelling of 914430521 in words is "nine hundred fourteen million, four hundred thirty thousand, five hundred twenty-one".