495261 has 32 divisors (see below), whose sum is σ = 846720. Its totient is φ = 283392.

The previous prime is 495241. The next prime is 495269. The reversal of 495261 is 162594.

It is not a de Polignac number, because 495261 - 2⁷ = 495133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5926 + ... + 6008.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2⁴⁹⁵²⁶¹ is an apocalyptic number.

It is an amenable number.

495261 is a deficient number, since it is larger than the sum of its proper divisors (351459).

495261 is a wasteful number, since it uses less digits than its factorization.

495261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 116 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 495261 is about 703.7478241529. The cubic root of 495261 is about 79.1184997243.

The spelling of 495261 in words is "four hundred ninety-five thousand, two hundred sixty-one".