495511945 has 8 divisors (see below), whose sum is σ = 596320200. Its totient is φ = 395272320.

The previous prime is 495511927. The next prime is 495511949. The reversal of 495511945 is 549115594.

It can be written as a sum of positive squares in 4 ways, for example, as 45265984 + 450245961 = 6728^2 + 21219^2 .

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

It is not a de Polignac number, because 495511945 - 2¹³ = 495503753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (495511949) 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, 140236 + ... + 143725.

It is an arithmetic number, because the mean of its divisors is an integer number (74540025).

Almost surely, 2^495511945 is an apocalyptic number.

It is an amenable number.

495511945 is a deficient number, since it is larger than the sum of its proper divisors (100808255).

495511945 is a wasteful number, since it uses less digits than its factorization.

495511945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284315.

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

The square root of 495511945 is about 22260.0975963719. The cubic root of 495511945 is about 791.3186038297.

It can be divided in two parts, 4955 and 11945, that added together give a square (16900 = 130²).

The spelling of 495511945 in words is "four hundred ninety-five million, five hundred eleven thousand, nine hundred forty-five".