495415591 has 8 divisors (see below), whose sum is σ = 540618624. Its totient is φ = 450240120.

The previous prime is 495415553. The next prime is 495415601. The reversal of 495415591 is 195514594.

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

It is not a de Polignac number, because 495415591 - 2⁹ = 495415079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495415511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54606 + ... + 63028.

It is an arithmetic number, because the mean of its divisors is an integer number (67577328).

Almost surely, 2^495415591 is an apocalyptic number.

495415591 is a deficient number, since it is larger than the sum of its proper divisors (45203033).

495415591 is a wasteful number, since it uses less digits than its factorization.

495415591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13781.

The product of its digits is 162000, while the sum is 43.

The square root of 495415591 is about 22257.9332149236. The cubic root of 495415591 is about 791.2673089643.

The spelling of 495415591 in words is "four hundred ninety-five million, four hundred fifteen thousand, five hundred ninety-one".