946512421 has 2 divisors, whose sum is σ = 946512422. Its totient is φ = 946512420.

The previous prime is 946512407. The next prime is 946512473. The reversal of 946512421 is 124215649.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885062500 + 61449921 = 29750^2 + 7839^2 .

It is a cyclic number.

It is not a de Polignac number, because 946512421 - 2⁵ = 946512389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946512481) 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, 473256210 + 473256211.

It is an arithmetic number, because the mean of its divisors is an integer number (473256211).

Almost surely, 2^946512421 is an apocalyptic number.

It is an amenable number.

946512421 is a deficient number, since it is larger than the sum of its proper divisors (1).

946512421 is an equidigital number, since it uses as much as digits as its factorization.

946512421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 946512421 is about 30765.4419925994. The cubic root of 946512421 is about 981.8431303547.

The spelling of 946512421 in words is "nine hundred forty-six million, five hundred twelve thousand, four hundred twenty-one".