609500053 has 4 divisors (see below), whose sum is σ = 621000108. Its totient is φ = 598000000.

The previous prime is 609500041. The next prime is 609500063. The reversal of 609500053 is 350005906.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350005906 = 2 ⋅175002953.

It can be written as a sum of positive squares in 2 ways, for example, as 256736529 + 352763524 = 16023^2 + 18782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609500053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 609499994 and 609500030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609500063) 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, 5749948 + ... + 5750053.

It is an arithmetic number, because the mean of its divisors is an integer number (155250027).

Almost surely, 2^609500053 is an apocalyptic number.

It is an amenable number.

609500053 is a deficient number, since it is larger than the sum of its proper divisors (11500055).

609500053 is a wasteful number, since it uses less digits than its factorization.

609500053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11500054.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 609500053 is about 24688.0548646506. The cubic root of 609500053 is about 847.8608507923.

Adding to 609500053 its reverse (350005906), we get a palindrome (959505959).

The spelling of 609500053 in words is "six hundred nine million, five hundred thousand, fifty-three".