493257937 has 4 divisors (see below), whose sum is σ = 495470080. Its totient is φ = 491045796.

The previous prime is 493257913. The next prime is 493257943. The reversal of 493257937 is 739752394.

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 493257937 - 2¹⁵ = 493225169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493257637) 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, 1105737 + ... + 1106182.

It is an arithmetic number, because the mean of its divisors is an integer number (123867520).

Almost surely, 2^493257937 is an apocalyptic number.

It is an amenable number.

493257937 is a deficient number, since it is larger than the sum of its proper divisors (2212143).

493257937 is a wasteful number, since it uses less digits than its factorization.

493257937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212142.

The product of its digits is 1428840, while the sum is 49.

The square root of 493257937 is about 22209.4110007447. The cubic root of 493257937 is about 790.1169174818.

The spelling of 493257937 in words is "four hundred ninety-three million, two hundred fifty-seven thousand, nine hundred thirty-seven".