424500997 has 2 divisors, whose sum is σ = 424500998. Its totient is φ = 424500996.

The previous prime is 424500961. The next prime is 424501019. The reversal of 424500997 is 799005424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315382081 + 109118916 = 17759^2 + 10446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424500997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424509997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212250498 + 212250499.

It is an arithmetic number, because the mean of its divisors is an integer number (212250499).

Almost surely, 2^424500997 is an apocalyptic number.

It is an amenable number.

424500997 is a deficient number, since it is larger than the sum of its proper divisors (1).

424500997 is an equidigital number, since it uses as much as digits as its factorization.

424500997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 424500997 is about 20603.4219730607. The cubic root of 424500997 is about 751.5529287010.

The spelling of 424500997 in words is "four hundred twenty-four million, five hundred thousand, nine hundred ninety-seven".