541895845 has 4 divisors (see below), whose sum is σ = 650275020. Its totient is φ = 433516672.

The previous prime is 541895833. The next prime is 541895867. The reversal of 541895845 is 548598145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548598145 = 5 ⋅109719629.

It can be written as a sum of positive squares in 2 ways, for example, as 364313569 + 177582276 = 19087^2 + 13326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541895845 is a prime.

It is a super-2 number, since 2×541895845² = 587302213656528050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 54189580 + ... + 54189589.

It is an arithmetic number, because the mean of its divisors is an integer number (162568755).

Almost surely, 2^541895845 is an apocalyptic number.

It is an amenable number.

541895845 is a deficient number, since it is larger than the sum of its proper divisors (108379175).

541895845 is a wasteful number, since it uses less digits than its factorization.

541895845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108379174.

The product of its digits is 1152000, while the sum is 49.

The square root of 541895845 is about 23278.6564260053. The cubic root of 541895845 is about 815.2771561668.

The spelling of 541895845 in words is "five hundred forty-one million, eight hundred ninety-five thousand, eight hundred forty-five".