541979194 has 4 divisors (see below), whose sum is σ = 812968794. Its totient is φ = 270989596.

The previous prime is 541979189. The next prime is 541979197. The reversal of 541979194 is 491979145.

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

It can be written as a sum of positive squares in only one way, i.e., 509088969 + 32890225 = 22563^2 + 5735^2 .

It is not an unprimeable number, because it can be changed into a prime (541979197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135494797 + ... + 135494800.

Almost surely, 2^541979194 is an apocalyptic number.

541979194 is a deficient number, since it is larger than the sum of its proper divisors (270989600).

541979194 is a wasteful number, since it uses less digits than its factorization.

541979194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270989599.

The product of its digits is 408240, while the sum is 49.

The square root of 541979194 is about 23280.4466022454. The cubic root of 541979194 is about 815.3189532838.

Subtracting from 541979194 its sum of digits (49), we obtain a palindrome (541979145).

The spelling of 541979194 in words is "five hundred forty-one million, nine hundred seventy-nine thousand, one hundred ninety-four".