495311471 has 4 divisors (see below), whose sum is σ = 496320744. Its totient is φ = 494302200.

The previous prime is 495311461. The next prime is 495311477. The reversal of 495311471 is 174113594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174113594 = 2 ⋅87056797.

It is a cyclic number.

It is not a de Polignac number, because 495311471 - 2¹⁸ = 495049327 is a prime.

It is a super-3 number, since 3×495311471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495311477) 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, 503900 + ... + 504881.

It is an arithmetic number, because the mean of its divisors is an integer number (124080186).

Almost surely, 2^495311471 is an apocalyptic number.

495311471 is a deficient number, since it is larger than the sum of its proper divisors (1009273).

495311471 is a wasteful number, since it uses less digits than its factorization.

495311471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009272.

The product of its digits is 15120, while the sum is 35.

The square root of 495311471 is about 22255.5941506849. The cubic root of 495311471 is about 791.2118723262.

The spelling of 495311471 in words is "four hundred ninety-five million, three hundred eleven thousand, four hundred seventy-one".