424537 has 2 divisors, whose sum is σ = 424538. Its totient is φ = 424536.

The previous prime is 424519. The next prime is 424547. The reversal of 424537 is 735424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414736 + 9801 = 644^2 + 99^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424537 is a prime.

It is not a weakly prime, because it can be changed into another prime (424547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212268 + 212269.

It is an arithmetic number, because the mean of its divisors is an integer number (212269).

2⁴²⁴⁵³⁷ is an apocalyptic number.

It is an amenable number.

424537 is a deficient number, since it is larger than the sum of its proper divisors (1).

424537 is an equidigital number, since it uses as much as digits as its factorization.

424537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 25.

The square root of 424537 is about 651.5650389639. The cubic root of 424537 is about 75.1574175133.

It can be divided in two parts, 424 and 537, that added together give a square (961 = 31²).

The spelling of 424537 in words is "four hundred twenty-four thousand, five hundred thirty-seven".