424544537 has 2 divisors, whose sum is σ = 424544538. Its totient is φ = 424544536.

The previous prime is 424544521. The next prime is 424544539. The reversal of 424544537 is 735445424.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246615616 + 177928921 = 15704^2 + 13339^2 .

It is a cyclic number.

It is not a de Polignac number, because 424544537 - 2⁴ = 424544521 is a prime.

Together with 424544539, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424544537.

It is not a weakly prime, because it can be changed into another prime (424544539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212272268 + 212272269.

It is an arithmetic number, because the mean of its divisors is an integer number (212272269).

Almost surely, 2^424544537 is an apocalyptic number.

It is an amenable number.

424544537 is a deficient number, since it is larger than the sum of its proper divisors (1).

424544537 is an equidigital number, since it uses as much as digits as its factorization.

424544537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 38.

The square root of 424544537 is about 20604.4785665641. The cubic root of 424544537 is about 751.5786227874.

The spelling of 424544537 in words is "four hundred twenty-four million, five hundred forty-four thousand, five hundred thirty-seven".