495140531 has 8 divisors (see below), whose sum is σ = 502464144. Its totient is φ = 487831680.

The previous prime is 495140507. The next prime is 495140533. The reversal of 495140531 is 135041594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 495140531 - 2²² = 490946227 is a prime.

It is a super-2 number, since 2×495140531² = 490328290877923922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495140533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76535 + ... + 82751.

It is an arithmetic number, because the mean of its divisors is an integer number (62808018).

Almost surely, 2^495140531 is an apocalyptic number.

495140531 is a deficient number, since it is larger than the sum of its proper divisors (7323613).

495140531 is a wasteful number, since it uses less digits than its factorization.

495140531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7381.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 495140531 is about 22251.7534365272. The cubic root of 495140531 is about 791.1208418485.

The spelling of 495140531 in words is "four hundred ninety-five million, one hundred forty thousand, five hundred thirty-one".