424265557 has 2 divisors, whose sum is σ = 424265558. Its totient is φ = 424265556.

The previous prime is 424265537. The next prime is 424265587. The reversal of 424265557 is 755562424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268664881 + 155600676 = 16391^2 + 12474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424265557 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 (424265537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212132778 + 212132779.

It is an arithmetic number, because the mean of its divisors is an integer number (212132779).

Almost surely, 2^424265557 is an apocalyptic number.

It is an amenable number.

424265557 is a deficient number, since it is larger than the sum of its proper divisors (1).

424265557 is an equidigital number, since it uses as much as digits as its factorization.

424265557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336000, while the sum is 40.

The square root of 424265557 is about 20597.7075666201. The cubic root of 424265557 is about 751.4139589885.

The spelling of 424265557 in words is "four hundred twenty-four million, two hundred sixty-five thousand, five hundred fifty-seven".