914305421 has 2 divisors, whose sum is σ = 914305422. Its totient is φ = 914305420.

The previous prime is 914305397. The next prime is 914305439. The reversal of 914305421 is 124503419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 835788100 + 78517321 = 28910^2 + 8861^2 .

It is an emirp because it is prime and its reverse (124503419) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 914305421 - 2²² = 910111117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (914305451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457152710 + 457152711.

It is an arithmetic number, because the mean of its divisors is an integer number (457152711).

Almost surely, 2^914305421 is an apocalyptic number.

It is an amenable number.

914305421 is a deficient number, since it is larger than the sum of its proper divisors (1).

914305421 is an equidigital number, since it uses as much as digits as its factorization.

914305421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 914305421 is about 30237.4837081395. The cubic root of 914305421 is about 970.5779745308.

The spelling of 914305421 in words is "nine hundred fourteen million, three hundred five thousand, four hundred twenty-one".