495481 has 4 divisors (see below), whose sum is σ = 566272. Its totient is φ = 424692.

The previous prime is 495461. The next prime is 495491. The reversal of 495481 is 184594.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 184594 = 2 ⋅92297.

It is a cyclic number.

It is not a de Polignac number, because 495481 - 2⁵ = 495449 is a prime.

It is a super-2 number, since 2×495481² = 491002842722, which contains 22 as substring.

495481 is a lucky number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (495401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35385 + ... + 35398.

It is an arithmetic number, because the mean of its divisors is an integer number (141568).

2⁴⁹⁵⁴⁸¹ is an apocalyptic number.

It is an amenable number.

495481 is a deficient number, since it is larger than the sum of its proper divisors (70791).

495481 is an equidigital number, since it uses as much as digits as its factorization.

495481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70790.

The product of its digits is 5760, while the sum is 31.

The square root of 495481 is about 703.9041127881. The cubic root of 495481 is about 79.1302130723.

It can be divided in two parts, 4 and 95481, that multiplied together give a square (381924 = 618²).

The spelling of 495481 in words is "four hundred ninety-five thousand, four hundred eighty-one".