538858745 has 4 divisors (see below), whose sum is σ = 646630500. Its totient is φ = 431086992.

The previous prime is 538858711. The next prime is 538858759. The reversal of 538858745 is 547858835.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 196756729 + 342102016 = 14027^2 + 18496^2 .

It is a cyclic number.

It is not a de Polignac number, because 538858745 - 2¹⁶ = 538793209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53885870 + ... + 53885879.

It is an arithmetic number, because the mean of its divisors is an integer number (161657625).

Almost surely, 2^538858745 is an apocalyptic number.

It is an amenable number.

538858745 is a deficient number, since it is larger than the sum of its proper divisors (107771755).

538858745 is a wasteful number, since it uses less digits than its factorization.

538858745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107771754.

The product of its digits is 5376000, while the sum is 53.

The square root of 538858745 is about 23213.3311913650. The cubic root of 538858745 is about 813.7512057921.

The spelling of 538858745 in words is "five hundred thirty-eight million, eight hundred fifty-eight thousand, seven hundred forty-five".