424597477 has 2 divisors, whose sum is σ = 424597478. Its totient is φ = 424597476.

The previous prime is 424597451. The next prime is 424597489. The reversal of 424597477 is 774795424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397045476 + 27552001 = 19926^2 + 5249^2 .

It is a cyclic number.

It is not a de Polignac number, because 424597477 - 2¹⁹ = 424073189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424597477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424597417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212298738 + 212298739.

It is an arithmetic number, because the mean of its divisors is an integer number (212298739).

Almost surely, 2^424597477 is an apocalyptic number.

It is an amenable number.

424597477 is a deficient number, since it is larger than the sum of its proper divisors (1).

424597477 is an equidigital number, since it uses as much as digits as its factorization.

424597477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1975680, while the sum is 49.

The square root of 424597477 is about 20605.7631986782. The cubic root of 424597477 is about 751.6098616917.

The spelling of 424597477 in words is "four hundred twenty-four million, five hundred ninety-seven thousand, four hundred seventy-seven".