545137633 has 4 divisors (see below), whose sum is σ = 548747968. Its totient is φ = 541527300.

The previous prime is 545137591. The next prime is 545137643. The reversal of 545137633 is 336731545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 336731545 = 5 ⋅67346309.

It is a cyclic number.

It is not a de Polignac number, because 545137633 - 2⁹ = 545137121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545137592 and 545137601.

It is not an unprimeable number, because it can be changed into a prime (545137643) 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, 1804941 + ... + 1805242.

It is an arithmetic number, because the mean of its divisors is an integer number (137186992).

Almost surely, 2^545137633 is an apocalyptic number.

It is an amenable number.

545137633 is a deficient number, since it is larger than the sum of its proper divisors (3610335).

545137633 is a wasteful number, since it uses less digits than its factorization.

545137633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610334.

The product of its digits is 113400, while the sum is 37.

The square root of 545137633 is about 23348.1826487631. The cubic root of 545137633 is about 816.8996714201.

The spelling of 545137633 in words is "five hundred forty-five million, one hundred thirty-seven thousand, six hundred thirty-three".