424729997 has 2 divisors, whose sum is σ = 424729998. Its totient is φ = 424729996.

The previous prime is 424729961. The next prime is 424730011. The reversal of 424729997 is 799927424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267453316 + 157276681 = 16354^2 + 12541^2 .

It is a cyclic number.

It is not a de Polignac number, because 424729997 - 2¹² = 424725901 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 (424729297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212364998 + 212364999.

It is an arithmetic number, because the mean of its divisors is an integer number (212364999).

Almost surely, 2^424729997 is an apocalyptic number.

It is an amenable number.

424729997 is a deficient number, since it is larger than the sum of its proper divisors (1).

424729997 is an equidigital number, since it uses as much as digits as its factorization.

424729997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 424729997 is about 20608.9785530482. The cubic root of 424729997 is about 751.6880478828.

The spelling of 424729997 in words is "four hundred twenty-four million, seven hundred twenty-nine thousand, nine hundred ninety-seven".