420006373 has 2 divisors, whose sum is σ = 420006374. Its totient is φ = 420006372.

The previous prime is 420006347. The next prime is 420006409. The reversal of 420006373 is 373600024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369908289 + 50098084 = 19233^2 + 7078^2 .

It is a cyclic number.

It is not a de Polignac number, because 420006373 - 2¹³ = 419998181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420006313) 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, 210003186 + 210003187.

It is an arithmetic number, because the mean of its divisors is an integer number (210003187).

Almost surely, 2^420006373 is an apocalyptic number.

It is an amenable number.

420006373 is a deficient number, since it is larger than the sum of its proper divisors (1).

420006373 is an equidigital number, since it uses as much as digits as its factorization.

420006373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 420006373 is about 20494.0570166085. The cubic root of 420006373 is about 748.8910265268.

Adding to 420006373 its reverse (373600024), we get a palindrome (793606397).

The spelling of 420006373 in words is "four hundred twenty million, six thousand, three hundred seventy-three".