424880917 has 2 divisors, whose sum is σ = 424880918. Its totient is φ = 424880916.

The previous prime is 424880903. The next prime is 424880923. The reversal of 424880917 is 719088424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411035076 + 13845841 = 20274^2 + 3721^2 .

It is a cyclic number.

It is not a de Polignac number, because 424880917 - 2⁷ = 424880789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424880317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212440458 + 212440459.

It is an arithmetic number, because the mean of its divisors is an integer number (212440459).

Almost surely, 2^424880917 is an apocalyptic number.

It is an amenable number.

424880917 is a deficient number, since it is larger than the sum of its proper divisors (1).

424880917 is an equidigital number, since it uses as much as digits as its factorization.

424880917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 424880917 is about 20612.6397387622. The cubic root of 424880917 is about 751.7770701846. Note that the first 3 decimals are identical.

The spelling of 424880917 in words is "four hundred twenty-four million, eight hundred eighty thousand, nine hundred seventeen".