493551 has 24 divisors (see below), whose sum is σ = 773760. Its totient is φ = 302400.

The previous prime is 493541. The next prime is 493567. The reversal of 493551 is 155394.

It is not a de Polignac number, because 493551 - 2¹¹ = 491503 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 493551.

It is not an unprimeable number, because it can be changed into a prime (493531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8061 + ... + 8121.

It is an arithmetic number, because the mean of its divisors is an integer number (32240).

2⁴⁹³⁵⁵¹ is an apocalyptic number.

493551 is a deficient number, since it is larger than the sum of its proper divisors (280209).

493551 is a wasteful number, since it uses less digits than its factorization.

493551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 124 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 493551 is about 702.5318498118. The cubic root of 493551 is about 79.0273365845.

It can be divided in two parts, 49 and 3551, that added together give a square (3600 = 60²).

The spelling of 493551 in words is "four hundred ninety-three thousand, five hundred fifty-one".