424246973 has 2 divisors, whose sum is σ = 424246974. Its totient is φ = 424246972.

The previous prime is 424246943. The next prime is 424246981. The reversal of 424246973 is 379642424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321771844 + 102475129 = 17938^2 + 10123^2 .

It is a cyclic number.

It is not a de Polignac number, because 424246973 - 2⁶ = 424246909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424246973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424246903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212123486 + 212123487.

It is an arithmetic number, because the mean of its divisors is an integer number (212123487).

Almost surely, 2^424246973 is an apocalyptic number.

It is an amenable number.

424246973 is a deficient number, since it is larger than the sum of its proper divisors (1).

424246973 is an equidigital number, since it uses as much as digits as its factorization.

424246973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 41.

The square root of 424246973 is about 20597.2564435169. The cubic root of 424246973 is about 751.4029874946.

It can be divided in two parts, 4242 and 46973, that added together give a palindrome (51215).

The spelling of 424246973 in words is "four hundred twenty-four million, two hundred forty-six thousand, nine hundred seventy-three".