424993537 has 4 divisors (see below), whose sum is σ = 425111296. Its totient is φ = 424875780.

The previous prime is 424993531. The next prime is 424993549. The reversal of 424993537 is 735399424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424993537 - 2⁷ = 424993409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424993531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53289 + ... + 60742.

It is an arithmetic number, because the mean of its divisors is an integer number (106277824).

Almost surely, 2^424993537 is an apocalyptic number.

It is an amenable number.

424993537 is a deficient number, since it is larger than the sum of its proper divisors (117759).

424993537 is a wasteful number, since it uses less digits than its factorization.

424993537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117758.

The product of its digits is 816480, while the sum is 46.

The square root of 424993537 is about 20615.3713767179. The cubic root of 424993537 is about 751.8434869545.

The spelling of 424993537 in words is "four hundred twenty-four million, nine hundred ninety-three thousand, five hundred thirty-seven".