538294045 has 4 divisors (see below), whose sum is σ = 645952860. Its totient is φ = 430635232.

The previous prime is 538294037. The next prime is 538294049. The reversal of 538294045 is 540492835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540492835 = 5 ⋅108098567.

It can be written as a sum of positive squares in 2 ways, for example, as 262634436 + 275659609 = 16206^2 + 16603^2 .

It is a cyclic number.

It is not a de Polignac number, because 538294045 - 2³ = 538294037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538293989 and 538294007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538294049) 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, 53829400 + ... + 53829409.

It is an arithmetic number, because the mean of its divisors is an integer number (161488215).

Almost surely, 2^538294045 is an apocalyptic number.

It is an amenable number.

538294045 is a deficient number, since it is larger than the sum of its proper divisors (107658815).

538294045 is a wasteful number, since it uses less digits than its factorization.

538294045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107658814.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 538294045 is about 23201.1647336939. The cubic root of 538294045 is about 813.4668480797.

The spelling of 538294045 in words is "five hundred thirty-eight million, two hundred ninety-four thousand, forty-five".